10H-Pyrido(3,2-b)pyrimido(4,2-e)(1,4)thiazin-2-amine, 4-chloro-8-methyl- 2-Amino-4-chloro-8-methyl-1,3,9-triazaphenothiazine 4-Chloro-8-methyl-10H-pyrido(3,2-b)pyrimido(4,2-e)(1,4)thiazin-2-amine 63931-11-3 BRN 0544875 NSC 194987