6-Chloropyrimidine-2,4-diamine4-Chloro-2,6-diaminopyrimidine4-氯-2,6-二氨基嘧啶2,6-Diamino-4-chloropyrimidine2,6-二氨基-4-氯嘧啶4-Chloro-2,6-diaminopyrimidineNSC 88186-Chloro-pyrimidine-2,4-diyldiamine, 4-Chloro-2,6-diaminopyrimidine6-Chloro-pyrimidine-2,4-diamine2,4-DIAMINO-6-CHLOROPYRIMIDINE6-chloropyrimidine-2,4-diamine4-氯-2,6-二氨基嘧啶2,4-Diamino-6-chloropyrimidine4-Chloro-2,6-pyrimidinediamine