1-Ethyl-4-piperidyl m-butoxycarbanilate hydrochloride 105384-00-7 CARBANILIC ACID, m-BUTOXY-, 1-ETHYL-4-PIPERIDYL ESTER, HYDROCHLORIDE Carbamic acid, (3-butoxyphenyl)-, 1-ethyl-4-piperidinyl ester, monohydrochloride PAK 4234 m-Butoxycarbanilic acid 1-ethyl-4-piperidyl ester hydrochloride