1,2,4-Thiadiazol-5-amine, 3-phenyl- 1,2,4-Thiadiazole, 5-amino-3-phenyl- 17467-15-1 3-Phenyl-5-amino-1,2,4-thiadiazole 3-Phenyl-5-aminothiadiazole 5-Amino-3-phenyl-1,2,4-thiadiazole NSC119930