| 1 | 99420-22-1 | 1,2,4-Benzotriazine, 6-nitro-3-phenyl- | 1,2,4-Benzotriazine, 6-nitro-3-phenyl- | C13H8N4O2 | |
| 2 | 85582-31-6 | 2-(1H-tetrazol-5-yl)-4,5-dihydro-4-oxo-indenopyran | 2-(1H-tetrazol-5-yl)-4,5-dihydro-4-oxo-indenopyran | C13H8N4O2 | |
| 3 | 918340-65-5 | Benzonitrile, 4-(furo[2,3-d]pyrimidin-4-ylamino)-2-hydroxy- | Benzonitrile, 4-(furo[2,3-d]pyrimidin-4-ylamino)-2-hydroxy- | C13H8N4O2 | |
| 4 | | 3,4-Dihydro-2-amino-5-imino-4-oxo-5H-[1]benzopyrano[3,4-c]pyridine-1-carbonitrile | 3,4-Dihydro-2-amino-5-imino-4-oxo-5H-[1]benzopyrano[3,4-c]pyridine-1-carbonitrile | C13H8N4O2 | |
| 5 | 140674-81-3 | 1,3-Butadiene-1,1,3-tricarbonitrile, 2-amino-4-(3,4-dihydroxyphenyl)-, (3E)- (9CI) | 1,3-Butadiene-1,1,3-tricarbonitrile, 2-amino-4-(3,4-dihydroxyphenyl)-, (3E)- (9CI) | C13H8N4O2 | |