Synonyms: 4H-1,2,4-Triazole-3-thiol,4-amino-5-phenyl- (6CI,7CI,8CI);1H-4-Amino-3-phenyl-s-triazole-5-thione;4-Amino-2,4-dihydro-5-phenyl-3H-1,2,4-triazole-3-thione;4-Amino-3-mercapto-5-phenyl-1,2,4-triazole;4-Amino-3-mercapto-5-phenyl-4H-1,2,4-triazole;4-Amino-3-phenyl-5-mercapto-1,2,4-triazoline;4-Amino-5-phenyl-4H-1,2,4-triazole-3-thiol;