2-(4-methylanilino)-3,7-dihydropurin-6-one

4-(溴甲基)偶氮苯

4-甲基偶氮苯

N-bis(4-methylanilino)phosphinothioyl-4-methylaniline

3,7-dimethyl-1H-benzo[g]pteridine-2,4-dione