| 1 | 92635-33-1 | 1H-吡咯[2,3-C]吡啶-2,3-二酮 | 6-Azaisatin | C7H4N2O2
| | |
| 2 | | 重氮苯甲酸內鹽 | diazobenzoic acid | C7H4N2O2
| | |
| 3 | 612-24-8 | 2-硝基苯甲腈 | 2-Nitrobenzonitrile | C7H4N2O2
| 腈;氰化物;有机砌块;通用试剂 | |
| 4 | 70165-31-0 | 6-氰基尼古丁酸 | 6-Cyanonicotinic acid | C7H4N2O2
| 合成;杂环化合物 | |
| 5 | | 3-NITROPHENYLISOCYANIDE | 3-NITROPHENYLISOCYANIDE | C7H4N2O2
| | |
| 6 | 1984-23-2 | 1-异氰基-4-硝基苯 | 4-Nitrophenyl Isocyanide | C7H4N2O2
| | |
| 7 | 4664-01-1 | 3,4-吡啶二酰亚胺 | 3,4-pyridinedicarboximide | C7H4N2O2
| 吡啶 | |
| 8 | 4664-00-0 | 2,3-吡啶二酰亚胺 | pyridine-2,3-dicarboximide | C7H4N2O2
| | |
| 9 | 7711-39-9 | 1H-benzoimidazole-4,7-dione | 1H-benzoimidazole-4,7-dione | C7H4N2O2
| | |
| 10 | 32863-32-4 | 苯并噁二唑-4-甲醛 | 4-Benzofurazancarboxaldehyde | C7H4N2O2
| 有机原料;醛类化合物 | |
| 11 | 303983-78-0 | pyrrolo[3,4-b]pyridin-5,7-dione | pyrrolo[3,4-b]pyridin-5,7-dione | C7H4N2O2
| | |
| 12 | 53234-55-2 | 5-氰基-2-吡啶羧酸 | 5-cyanopyridine-2-carboxylic acid | C7H4N2O2
| 合成 | |
| 13 | 161233-97-2 | 2-氰基-4-吡啶羧酸 | 2-Cyano- 4-pyridinecarboxylic acid | C7H4N2O2
| 腈;氰化物;化学试剂;医药中间体 | |
| 14 | 5654-95-5 | 1H-吡咯[2,3-B]吡啶-2,3-二酮 | 1H-PYRROLO[2,3-B]PYRIDINE-2,3-DIONE | C7H4N2O2
| 其它 | |
| 15 | 1341442-94-1 | 3-(嘧啶-5-基)丙炔酸 | 2-Propynoic acid, 3-(5-pyrimidinyl)- | C7H4N2O2
| | |
| 16 | 4425-51-8 | 7H-Pyrano[2,3-d]pyrimidin-7-one (9CI) | 7H-Pyrano[2,3-d]pyrimidin-7-one (9CI) | C7H4N2O2
| | |
| 17 | 640296-19-1 | 4-氰基吡啶-2-羧酸 | 2-Pyridinecarboxylicacid,4-cyano-(9CI) | C7H4N2O2
| | |
| 18 | 169037-38-1 | 1H-吡咯并[3,2-C]吡啶-2,3-二酮(9CI) | 1H-Pyrrolo[3,2-c]pyridine-2,3-dione(9CI) | C7H4N2O2
| | |
| 19 | 1507277-13-5 | 1,3-Dioxolo[4,5-b]pyridine-6-carbonitrile | 1,3-Dioxolo[4,5-b]pyridine-6-carbonitrile | C7H4N2O2
| | |
| 20 | 35670-47-4 | Furo[2,3-d]pyridazine-2-carboxaldehyde (9CI) | Furo[2,3-d]pyridazine-2-carboxaldehyde (9CI) | C7H4N2O2
| | |
| 21 | 107541-21-9 | 4,7-(Epoxymethano)furo[3,4-d]pyrimidine (9CI) | 4,7-(Epoxymethano)furo[3,4-d]pyrimidine (9CI) | C7H4N2O2
| | |
| 22 | 183997-71-9 | 1H-Pyrrole-3-carbonitrile, 2,5-diformyl- (9CI) | 1H-Pyrrole-3-carbonitrile, 2,5-diformyl- (9CI) | C7H4N2O2
| | |
| 23 | 36420-20-9 | 1,3-Dioxolo[3,4]cyclobuta[1,2-d]pyrimidine (9CI) | 1,3-Dioxolo[3,4]cyclobuta[1,2-d]pyrimidine (9CI) | C7H4N2O2
| | |