Synonyms: as-Triazine-3,5(2H,4H)-dione,4-amino-6-methyl-3-thio- (7CI,8CI); 4-Amino-3,4-dihydro-6-methyl-3-thioxo-1,2,4-triazin-5(2H)-one;4-Amino-3-mercapto-6-methyl-1,2,4-triazin-5(4H)-one;4-Amino-3-mercapto-6-methyl-1,2,4-triazin-5-one;4-Amino-5-oxo-3-thioxo-6-methyl-2,3,4,5-tetrahydro-1,2,4-triazine;4-Amino-6-methyl-1,2,4-triazine-3(2H)-thion-5-one; 4-Amino-6-methyl-1,2,4-triazine-3(2H)-thione-5-one