1-(1-Piperidyl)thioformanilide 1-(Phenylthiocarbamoyl)piperidine 1-Piperidinecarbothioamide, N-phenyl- 1-Piperidinecarboxanilide, thio- 2762-59-6 N-Phenyl-N',N'-cyclopentamethylenethiocarbamide N-Phenyl-N',N'-cyclopentamethylenethiourea N-Phenylthiocarbamoylpiperidine NSC16198