1-(4-Chlorophenyl)ethanone O-(2-(1-piperidinyl)ethyl)oxime hydrochloride 76158-55-9 Ethanone, 1-(4-chlorophenyl)-, O-(2-(1-piperidinyl)ethyl)oxime, hydrochloride p-Chloroacetophenone-O-(2-piperidinoethyl)oxime hydrochloride