1-Anilino-4-(2-aminoanilino)pyrimidin-2(1H)-one-5-carbonitrile

3-amino-4-4-[N-(o-aminophenyl)amidino]-2-phenylpyrazole

2-amino-1H-1,5-benzodiazepine-3-carbonitrile

3-amino-3-(o-aminoanilino)-2-cyano-2-propenal hydrazone

(1E)-N'-(2-aminophenyl)-2-cyano-3-(2,2-dimethylhydrazinyl)acrylimidamide