| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_1 | C[Si](C)(C)OC1(C(=O)O)NC(=O)N=C1NC(N)=O | standard non polar | 2025-10-24 | 2060.53 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_2 | C[Si](C)(C)OC(=O)C1(O)NC(=O)N=C1NC(N)=O | standard non polar | 2025-10-24 | 2196.71 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_3 | C[Si](C)(C)NC(=O)NC1=NC(=O)NC1(O)C(=O)O | standard non polar | 2025-10-24 | 1172.05 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_4 | C[Si](C)(C)N(C(N)=O)C1=NC(=O)NC1(O)C(=O)O | standard non polar | 2025-10-24 | 1941.33 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_5 | C[Si](C)(C)N1C(=O)N=C(NC(N)=O)C1(O)C(=O)O | standard non polar | 2025-10-24 | 2341.84 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_6 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)NC(=O)N=C1NC(N)=O | standard non polar | 2025-10-24 | 1716.82 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_7 | C[Si](C)(C)NC(=O)NC1=NC(=O)NC1(O[Si](C)(C)C)C(=O)O | standard non polar | 2025-10-24 | 1652.69 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_8 | C[Si](C)(C)OC1(C(=O)O)C(NC(N)=O)=NC(=O)N1[Si](C)(C)C | standard non polar | 2025-10-24 | 1273.75 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_9 | C[Si](C)(C)OC1(C(=O)O)NC(=O)N=C1N(C(N)=O)[Si](C)(C)C | standard non polar | 2025-10-24 | 2255.56 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_10 | C[Si](C)(C)NC(=O)NC1=NC(=O)NC1(O)C(=O)O[Si](C)(C)C | standard non polar | 2025-10-24 | 2610.56 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_11 | C[Si](C)(C)OC(=O)C1(O)C(NC(N)=O)=NC(=O)N1[Si](C)(C)C | standard non polar | 2025-10-24 | 2017.64 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_12 | C[Si](C)(C)OC(=O)C1(O)NC(=O)N=C1N(C(N)=O)[Si](C)(C)C | standard non polar | 2025-10-24 | 2280.75 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_13 | C[Si](C)(C)N(C(=O)NC1=NC(=O)NC1(O)C(=O)O)[Si](C)(C)C | standard non polar | 2025-10-24 | 1604.24 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_14 | C[Si](C)(C)NC(=O)N(C1=NC(=O)NC1(O)C(=O)O)[Si](C)(C)C | standard non polar | 2025-10-24 | 2600.83 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_15 | C[Si](C)(C)NC(=O)NC1=NC(=O)N([Si](C)(C)C)C1(O)C(=O)O | standard non polar | 2025-10-24 | 2166.22 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_16 | C[Si](C)(C)N(C(N)=O)C1=NC(=O)N([Si](C)(C)C)C1(O)C(=O)O | standard non polar | 2025-10-24 | 2305.72 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_17 | C[Si](C)(C)NC(=O)NC1=NC(=O)NC1(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | standard non polar | 2025-10-24 | 2458.12 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_18 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)C(NC(N)=O)=NC(=O)N1[Si](C)(C)C | standard non polar | 2025-10-24 | 1914.14 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_19 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)NC(=O)N=C1N(C(N)=O)[Si](C)(C)C | standard non polar | 2025-10-24 | 1816.55 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_20 | C[Si](C)(C)OC1(C(=O)O)NC(=O)N=C1NC(=O)N([Si](C)(C)C)[Si](C)(C)C | standard non polar | 2025-10-24 | 1412.54 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_21 | C[Si](C)(C)NC(=O)N(C1=NC(=O)NC1(O[Si](C)(C)C)C(=O)O)[Si](C)(C)C | standard non polar | 2025-10-24 | 1832.2 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_22 | C[Si](C)(C)NC(=O)NC1=NC(=O)N([Si](C)(C)C)C1(O[Si](C)(C)C)C(=O)O | standard non polar | 2025-10-24 | 2023.93 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_23 | C[Si](C)(C)OC1(C(=O)O)C(N(C(N)=O)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard non polar | 2025-10-24 | 1934.79 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_24 | C[Si](C)(C)OC(=O)C1(O)NC(=O)N=C1NC(=O)N([Si](C)(C)C)[Si](C)(C)C | standard non polar | 2025-10-24 | 1592.8 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_25 | C[Si](C)(C)NC(=O)N(C1=NC(=O)NC1(O)C(=O)O[Si](C)(C)C)[Si](C)(C)C | standard non polar | 2025-10-24 | 1584.02 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_26 | C[Si](C)(C)NC(=O)NC1=NC(=O)N([Si](C)(C)C)C1(O)C(=O)O[Si](C)(C)C | standard non polar | 2025-10-24 | 2214.27 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_27 | C[Si](C)(C)OC(=O)C1(O)C(N(C(N)=O)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard non polar | 2025-10-24 | 1740.59 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_28 | C[Si](C)(C)N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)C1=NC(=O)NC1(O)C(=O)O | standard non polar | 2025-10-24 | 1802.88 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_29 | C[Si](C)(C)N1C(=O)N=C(NC(=O)N([Si](C)(C)C)[Si](C)(C)C)C1(O)C(=O)O | standard non polar | 2025-10-24 | 1966.0 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_30 | C[Si](C)(C)NC(=O)N(C1=NC(=O)N([Si](C)(C)C)C1(O)C(=O)O)[Si](C)(C)C | standard non polar | 2025-10-24 | 1922.0 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_31 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)NC(=O)N=C1NC(=O)N([Si](C)(C)C)[Si](C)(C)C | standard non polar | 2025-10-24 | 2136.9 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_32 | C[Si](C)(C)NC(=O)N(C1=NC(=O)NC1(O[Si](C)(C)C)C(=O)O[Si](C)(C)C)[Si](C)(C)C | standard non polar | 2025-10-24 | 1873.85 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_33 | C[Si](C)(C)NC(=O)NC1=NC(=O)N([Si](C)(C)C)C1(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | standard non polar | 2025-10-24 | 2284.25 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_34 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)C(N(C(N)=O)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard non polar | 2025-10-24 | 1781.06 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_35 | C[Si](C)(C)OC1(C(=O)O)C(NC(=O)N([Si](C)(C)C)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard non polar | 2025-10-24 | 1865.54 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_36 | C[Si](C)(C)OC1(C(=O)O)NC(=O)N=C1N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | standard non polar | 2025-10-24 | 2493.53 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_37 | C[Si](C)(C)NC(=O)N(C1=NC(=O)N([Si](C)(C)C)C1(O[Si](C)(C)C)C(=O)O)[Si](C)(C)C | standard non polar | 2025-10-24 | 1661.19 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_38 | C[Si](C)(C)OC(=O)C1(O)C(NC(=O)N([Si](C)(C)C)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard non polar | 2025-10-24 | 1866.36 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_39 | C[Si](C)(C)OC(=O)C1(O)NC(=O)N=C1N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | standard non polar | 2025-10-24 | 2482.44 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_40 | C[Si](C)(C)NC(=O)N(C1=NC(=O)N([Si](C)(C)C)C1(O)C(=O)O[Si](C)(C)C)[Si](C)(C)C | standard non polar | 2025-10-24 | 2146.52 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_41 | C[Si](C)(C)N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)C1=NC(=O)N([Si](C)(C)C)C1(O)C(=O)O | standard non polar | 2025-10-24 | 2753.51 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_42 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)C(NC(=O)N([Si](C)(C)C)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard non polar | 2025-10-24 | 1799.48 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_43 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)NC(=O)N=C1N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | standard non polar | 2025-10-24 | 1522.52 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_44 | C[Si](C)(C)NC(=O)N(C1=NC(=O)N([Si](C)(C)C)C1(O[Si](C)(C)C)C(=O)O[Si](C)(C)C)[Si](C)(C)C | standard non polar | 2025-10-24 | 1949.8 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_45 | C[Si](C)(C)OC1(C(=O)O)C(N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard non polar | 2025-10-24 | 2730.26 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_46 | C[Si](C)(C)OC(=O)C1(O)C(N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard non polar | 2025-10-24 | 1547.99 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_47 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)C(N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard non polar | 2025-10-24 | 2634.8 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_1 | C[Si](C)(C)OC1(C(=O)O)NC(=O)N=C1NC(N)=O | standard polar | 2025-10-24 | 2204.59 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_2 | C[Si](C)(C)OC(=O)C1(O)NC(=O)N=C1NC(N)=O | standard polar | 2025-10-24 | 2133.5 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_3 | C[Si](C)(C)NC(=O)NC1=NC(=O)NC1(O)C(=O)O | standard polar | 2025-10-24 | 2389.2 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_4 | C[Si](C)(C)N(C(N)=O)C1=NC(=O)NC1(O)C(=O)O | standard polar | 2025-10-24 | 2022.83 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_5 | C[Si](C)(C)N1C(=O)N=C(NC(N)=O)C1(O)C(=O)O | standard polar | 2025-10-24 | 1835.69 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_6 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)NC(=O)N=C1NC(N)=O | standard polar | 2025-10-24 | 1949.11 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_7 | C[Si](C)(C)NC(=O)NC1=NC(=O)NC1(O[Si](C)(C)C)C(=O)O | standard polar | 2025-10-24 | 2309.92 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_8 | C[Si](C)(C)OC1(C(=O)O)C(NC(N)=O)=NC(=O)N1[Si](C)(C)C | standard polar | 2025-10-24 | 1966.6 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_9 | C[Si](C)(C)OC1(C(=O)O)NC(=O)N=C1N(C(N)=O)[Si](C)(C)C | standard polar | 2025-10-24 | 1213.11 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_10 | C[Si](C)(C)NC(=O)NC1=NC(=O)NC1(O)C(=O)O[Si](C)(C)C | standard polar | 2025-10-24 | 2427.4 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_11 | C[Si](C)(C)OC(=O)C1(O)C(NC(N)=O)=NC(=O)N1[Si](C)(C)C | standard polar | 2025-10-24 | 2928.92 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_12 | C[Si](C)(C)OC(=O)C1(O)NC(=O)N=C1N(C(N)=O)[Si](C)(C)C | standard polar | 2025-10-24 | 1864.03 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_13 | C[Si](C)(C)N(C(=O)NC1=NC(=O)NC1(O)C(=O)O)[Si](C)(C)C | standard polar | 2025-10-24 | 2296.64 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_14 | C[Si](C)(C)NC(=O)N(C1=NC(=O)NC1(O)C(=O)O)[Si](C)(C)C | standard polar | 2025-10-24 | 1763.36 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_15 | C[Si](C)(C)NC(=O)NC1=NC(=O)N([Si](C)(C)C)C1(O)C(=O)O | standard polar | 2025-10-24 | 2519.13 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_16 | C[Si](C)(C)N(C(N)=O)C1=NC(=O)N([Si](C)(C)C)C1(O)C(=O)O | standard polar | 2025-10-24 | 1865.47 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_17 | C[Si](C)(C)NC(=O)NC1=NC(=O)NC1(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | standard polar | 2025-10-24 | 2146.63 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_18 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)C(NC(N)=O)=NC(=O)N1[Si](C)(C)C | standard polar | 2025-10-24 | 2206.68 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_19 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)NC(=O)N=C1N(C(N)=O)[Si](C)(C)C | standard polar | 2025-10-24 | 881.886 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_20 | C[Si](C)(C)OC1(C(=O)O)NC(=O)N=C1NC(=O)N([Si](C)(C)C)[Si](C)(C)C | standard polar | 2025-10-24 | 2193.54 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_21 | C[Si](C)(C)NC(=O)N(C1=NC(=O)NC1(O[Si](C)(C)C)C(=O)O)[Si](C)(C)C | standard polar | 2025-10-24 | 1899.08 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_22 | C[Si](C)(C)NC(=O)NC1=NC(=O)N([Si](C)(C)C)C1(O[Si](C)(C)C)C(=O)O | standard polar | 2025-10-24 | 2593.05 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_23 | C[Si](C)(C)OC1(C(=O)O)C(N(C(N)=O)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard polar | 2025-10-24 | 1723.29 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_24 | C[Si](C)(C)OC(=O)C1(O)NC(=O)N=C1NC(=O)N([Si](C)(C)C)[Si](C)(C)C | standard polar | 2025-10-24 | 1643.01 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_25 | C[Si](C)(C)NC(=O)N(C1=NC(=O)NC1(O)C(=O)O[Si](C)(C)C)[Si](C)(C)C | standard polar | 2025-10-24 | 2103.13 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_26 | C[Si](C)(C)NC(=O)NC1=NC(=O)N([Si](C)(C)C)C1(O)C(=O)O[Si](C)(C)C | standard polar | 2025-10-24 | 1577.34 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_27 | C[Si](C)(C)OC(=O)C1(O)C(N(C(N)=O)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard polar | 2025-10-24 | 1687.5 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_28 | C[Si](C)(C)N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)C1=NC(=O)NC1(O)C(=O)O | standard polar | 2025-10-24 | 2340.91 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_29 | C[Si](C)(C)N1C(=O)N=C(NC(=O)N([Si](C)(C)C)[Si](C)(C)C)C1(O)C(=O)O | standard polar | 2025-10-24 | 1679.76 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_30 | C[Si](C)(C)NC(=O)N(C1=NC(=O)N([Si](C)(C)C)C1(O)C(=O)O)[Si](C)(C)C | standard polar | 2025-10-24 | 1774.68 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_31 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)NC(=O)N=C1NC(=O)N([Si](C)(C)C)[Si](C)(C)C | standard polar | 2025-10-24 | 1889.24 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_32 | C[Si](C)(C)NC(=O)N(C1=NC(=O)NC1(O[Si](C)(C)C)C(=O)O[Si](C)(C)C)[Si](C)(C)C | standard polar | 2025-10-24 | 1720.77 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_33 | C[Si](C)(C)NC(=O)NC1=NC(=O)N([Si](C)(C)C)C1(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | standard polar | 2025-10-24 | 1729.99 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_34 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)C(N(C(N)=O)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard polar | 2025-10-24 | 1877.67 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_35 | C[Si](C)(C)OC1(C(=O)O)C(NC(=O)N([Si](C)(C)C)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard polar | 2025-10-24 | 1608.12 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_36 | C[Si](C)(C)OC1(C(=O)O)NC(=O)N=C1N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | standard polar | 2025-10-24 | 1362.69 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_37 | C[Si](C)(C)NC(=O)N(C1=NC(=O)N([Si](C)(C)C)C1(O[Si](C)(C)C)C(=O)O)[Si](C)(C)C | standard polar | 2025-10-24 | 1642.13 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_38 | C[Si](C)(C)OC(=O)C1(O)C(NC(=O)N([Si](C)(C)C)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard polar | 2025-10-24 | 2537.67 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_39 | C[Si](C)(C)OC(=O)C1(O)NC(=O)N=C1N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | standard polar | 2025-10-24 | 2690.21 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_40 | C[Si](C)(C)NC(=O)N(C1=NC(=O)N([Si](C)(C)C)C1(O)C(=O)O[Si](C)(C)C)[Si](C)(C)C | standard polar | 2025-10-24 | 1700.83 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_41 | C[Si](C)(C)N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)C1=NC(=O)N([Si](C)(C)C)C1(O)C(=O)O | standard polar | 2025-10-24 | 1974.13 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_42 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)C(NC(=O)N([Si](C)(C)C)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard polar | 2025-10-24 | 2228.45 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_43 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)NC(=O)N=C1N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C | standard polar | 2025-10-24 | 1578.08 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_44 | C[Si](C)(C)NC(=O)N(C1=NC(=O)N([Si](C)(C)C)C1(O[Si](C)(C)C)C(=O)O[Si](C)(C)C)[Si](C)(C)C | standard polar | 2025-10-24 | 2328.99 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_45 | C[Si](C)(C)OC1(C(=O)O)C(N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard polar | 2025-10-24 | 1739.7 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_46 | C[Si](C)(C)OC(=O)C1(O)C(N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard polar | 2025-10-24 | 1557.64 |
| Gas Chromatography | 5-Hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate_TMS_47 | C[Si](C)(C)OC(=O)C1(O[Si](C)(C)C)C(N(C(=O)N([Si](C)(C)C)[Si](C)(C)C)[Si](C)(C)C)=NC(=O)N1[Si](C)(C)C | standard polar | 2025-10-24 | 2326.44 |