2-Ethyl-2-(2-propynylmercapto)butyramide 2-Ethyl-2-(2-propynylthio)butyramide 64037-68-9 Acetamide, 2,2-diethyl-2-(2-propynyl)thio- BRN 1859272 BUTYRAMIDE, 2-ETHYL-2-(2-PROPYNYL)THIO- alpha-Propargylmercaptoisobutyramide