1,1-Dimethyl-4-phenyl-3-thiosemicarbazide 4-12-00-00828 (Beilstein Handbook Reference) 6297-19-4 BRN 2834246 Hydrazinecarbothioamide, 2,2-dimethyl-N-phenyl- (9CI) NSC 17314 Semicarbazide, 1,1-dimethyl-4-phenyl-3-thio-