Synonyms: Pyrimidine,4-amino-2,6-dimethyl- (7CI,8CI);2,4-Dimethyl-6-aminopyrimidine;2,6-Dimethyl-4-aminopyrimidine;2,6-Dimethylpyrimidin-4-amine;4-Amino-2,6-dimethylpyrimidine;6-Amino-2,4-dimethylpyrimidine;Cyanmethine;Cyanomethine;Kyanmethin;Kyanmethine;NSC 21637;