| 1 | 2244-11-3 | 阿脲,四氧嘧啶 | Alloxan monohydrate | C4H4N2O5
| 脲;生化试剂;医用原料;化学试剂;通用试剂;高纯试剂;有机砌块;医药原料;中药对照品;其他生化试剂 | |
| 2 | 3237-50-1 | 5,5-二羟基全氢化PYRIMIDINETRIONE(翻译) | 5,5-dihydroxyperhydropyrimidinetrione | C4H4N2O5
| | |
| 3 | 470-44-0 | 4-Imidazolidinecarboxylic acid, 4-hydroxy-2,5-dioxo- | 4-Imidazolidinecarboxylic acid, 4-hydroxy-2,5-dioxo- | C4H4N2O5
| | |
| 4 | 151435-01-7 | 4-Imidazolidinecarboxylicacid,4-hydroxy-2,5-dioxo-,(S)-(9CI) | 4-Imidazolidinecarboxylicacid,4-hydroxy-2,5-dioxo-,(S)-(9CI) | C4H4N2O5
| | |
| 5 | 791056-84-3 | 1,2,3-Oxadiazole-4-carboxylicacid,5-hydroxy-,methylester,3-oxide(9CI) | 1,2,3-Oxadiazole-4-carboxylicacid,5-hydroxy-,methylester,3-oxide(9CI) | C4H4N2O5
| | |