1-Phenyl-3-thiosemicarbazide 1-Phenylthiosemicarbazide 2-Phenylhydrazinecarbothioamide 645-48-7 AI3-03695 EINECS 211-444-1 Hydrazinecarbothioamide, 2-phenyl- NSC 179798 NSC 25003 Phenylthiosemicarbazide Semicarbazide, 1-phenyl-3-thio-