Synonyms: 6-[(4-Chloroanilino)methyl]pyrido[2,3-d]pyrimidine-2,4-diamine;6-[[[4-Chlorophenyl]amino]methyl]pyrido[2,3-d]pyrimidine-2,4-diamine;Pyrido(2,3-d)pyrimidine-2,4-diamine, 6-(((4-chlorophenyl)amino)methyl)-;pyrido[2,3-d]pyrimidine-2,4-diamine, 6-[[(4-chlorophenyl)amino]methyl]-