1,1-Dimethyl-4-phenyl-3-thiosemicarbazide 6297-19-4 Hydrazinecarbothioamide, 2,2-dimethyl-N-phenyl- NSC17314 Semicarbazide, 1,1-dimethyl-4-phenyl-3-thio- WLN: SUYMR&MN1&1