| 1 | 91-18-9 | 喋啶 | Pteridine (6CI,7CI,8CI,9CI) | C6H4N4
| | |
| 2 | | Pyrido[3,4-e]-1,2,4-triazine | Pyrido[3,4-e]-1,2,4-triazine | C6H4N4
| | |
| 3 | 19485-35-9 | 1-甲基-1H-咪唑-4,5-二甲腈 | 4,5-Dicyano-1-methyl-1H-imidazole | C6H4N4
| 有机硅化合物,卤代烃 Halogenated Hydrocarbons | |
| 4 | 254-64-8 | Pyrimido[4,5-d]pyrimidine (8CI,9CI) | Pyrimido[4,5-d]pyrimidine (8CI,9CI) | C6H4N4
| | |
| 5 | 868-54-2 | 2-氨基-1-丙烯基-1,1,3-三甲腈 | 2-Amino-1-propene-1,1,3-tricarbonitrile | C6H4N4
| 腈;氰化物;有机化工原料 | |
| 6 | 40056-53-9 | 2-甲基-1H-咪唑-4,5-二甲腈 | 2-Methyl-1H-imidazole-4,5-dicarbonitrile | C6H4N4
| | |
| 7 | 108191-93-1 | 1H-Azeto[1,2:1,5]pyrrolo[2,3-d]-1,2,3-triazole(9CI) | 1H-Azeto[1,2:1,5]pyrrolo[2,3-d]-1,2,3-triazole(9CI) | C6H4N4
| | |
| 8 | 175894-09-4 | 1H-Cyclopropa[d]-1,2,4-triazolo[4,3-b]pyridazine(9CI) | 1H-Cyclopropa[d]-1,2,4-triazolo[4,3-b]pyridazine(9CI) | C6H4N4
| | |