Synonyms: s-Triazine-2(1H)-thione,tetrahydro-4,6-diimino- (7CI); s-Triazine-2-thiol, 4,6-diamino- (6CI,8CI);2,4-Diamino-6-mercapto-1,3,5-triazine; 2,4-Diamino-6-mercapto-s-triazine;2,4-Diamino-6-thio-s-triazine; 2-Mercapto-4,6-diamino-s-triazine;4,6-Diamino-s-triazine-2-thiol; Ammeline, thio-;Hexahydro-4,6-diimino-1,3,5-triazine-2-thione; NSC 8150; Thioammeline