| 1 | 86525-14-6 | 1-(吡嗪-2-基)脲 | 1-(Pyrazin-2-yl)urea | C5H6N4O
| | |
| 2 | | 1,1-bis(cyanomethyl)urea | 1,1-bis(cyanomethyl)urea | C5H6N4O
| | |
| 3 | 768-05-8 | 吡嗪-2-甲酰肼 | Pyrazine-2-carbohydrazide | C5H6N4O
| 杂环;吡嗪;医药中间体 | |
| 4 | 39513-54-7 | 4-嘧啶羧酸肼 | pyrimidine-4-carbohydrazide | C5H6N4O
| | |
| 5 | 89323-09-1 | 5-氨基吡嗪-2-甲酰胺 | 5-AMINOPYRAZINE-2-CARBOXAMIDE | C5H6N4O
| | |
| 6 | 4786-51-0 | 4-氨基嘧啶-5-甲酰胺 | 4-aminopyrimidine-5-carboxamide | C5H6N4O
| | |
| 7 | 81333-07-5 | 4-Pyrimidinecarboxamide,6-amino- | 4-Pyrimidinecarboxamide,6-amino- | C5H6N4O
| | |
| 8 | 98325-50-9 | 4H-Purin-6-ol, 5,7-dihydro- (9CI) | 4H-Purin-6-ol, 5,7-dihydro- (9CI) | C5H6N4O
| | |
| 9 | 146469-96-7 | 6H-Purin-6-one, 3,9-dihydro- (9CI) | 6H-Purin-6-one, 3,9-dihydro- (9CI) | C5H6N4O
| | |
| 10 | 51285-05-3 | N-羟基吡嗪-2-羧肟酰胺 | N-Hydroxy-2-Pyrazinecarboximidamide | C5H6N4O
| | |
| 11 | 109831-68-7 | 4,6-二氨基-5-嘧啶甲醛 | 4,6-diaminopyrimidine-5-carbaldehyde | C5H6N4O
| | |
| 12 | 20865-28-5 | 3-Pyridazinecarboxamide,4-amino-(8CI) | 3-Pyridazinecarboxamide,4-amino-(8CI) | C5H6N4O
| | |
| 13 | 20781-06-0 | 2,4-二氨基嘧啶-5-甲醛 | 2,4-Diaminopyrimidine-5-carboxaldehyde | C5H6N4O
| | |
| 14 | 32587-10-3 | 3-氨基吡嗪-2-甲酰胺 | Pyrazinecarboxamide, 3-amino- (7CI,9CI) | C5H6N4O
| | |
| 15 | 56621-97-7 | 5-氨基-2-吡啶羧胺 | 5-Amino-pyrimidine-2-carboxylicacidamide | C5H6N4O
| 嘧啶 | |
| 16 | 56932-26-4 | 4-Pyridazinecarboxylicacid,hydrazide(9CI) | 4-Pyridazinecarboxylicacid,hydrazide(9CI) | C5H6N4O
| | |
| 17 | 51519-20-1 | Methanimidamide, N-hydroxy-N'-2-pyrazinyl- | Methanimidamide, N-hydroxy-N'-2-pyrazinyl- | C5H6N4O
| | |
| 18 | 52767-95-0 | Formamide, N-(2-amino-5-pyrimidinyl)- (9CI) | Formamide, N-(2-amino-5-pyrimidinyl)- (9CI) | C5H6N4O
| | |
| 19 | 72760-87-3 | 3-氨基-5-甲氧基-1H-吡唑-4-甲腈 | 5-AMINO-3-METHOXY-1H-PYRAZOLE-4-CARBONITRILE | C5H6N4O
| | |
| 20 | 90993-50-3 | 5-Pyrimidinecarboximidamide, N-hydroxy- (9CI) | 5-Pyrimidinecarboximidamide, N-hydroxy- (9CI) | C5H6N4O
| | |
| 21 | 109138-03-6 | 4-Pyrimidinecarboxaldehyde, 2,6-diamino- (9CI) | 4-Pyrimidinecarboxaldehyde, 2,6-diamino- (9CI) | C5H6N4O
| | |
| 22 | 106535-52-8 | 5H,6H,7H,8H-[1,2,4]triazolo[1,5-a]pyrazin-8-one | 5H,6H,7H,8H-[1,2,4]triazolo[1,5-a]pyrazin-8-one | C5H6N4O
| | |
| 23 | 36663-19-1 | 5-肼基-2-甲基唑-4-腈 | 5-hydrazinyl-2-methyl-1,3-oxazole-4-carbonitrile | C5H6N4O
| | |
| 24 | 62260-37-1 | Methanimidamide, N-hydroxy-N-4-pyrimidinyl- (9CI) | Methanimidamide, N-hydroxy-N-4-pyrimidinyl- (9CI) | C5H6N4O
| | |
| 25 | 16008-45-0 | Formamide, N-(4-amino-5-pyrimidinyl)- (6CI,8CI,9CI) | Formamide, N-(4-amino-5-pyrimidinyl)- (6CI,8CI,9CI) | C5H6N4O
| | |
| 26 | 748764-60-5 | 4H-Pyrazolo[3,4-d]pyrimidin-4-ol, 5,7a-dihydro- (9CI) | 4H-Pyrazolo[3,4-d]pyrimidin-4-ol, 5,7a-dihydro- (9CI) | C5H6N4O
| | |
| 27 | 869719-70-0 | 6H-Purin-6-one, 1,7,8,9-tetrahydro-, radical ion(1-) (9CI) | 6H-Purin-6-one, 1,7,8,9-tetrahydro-, radical ion(1-) (9CI) | C5H6N4O
| | |