1-Ethyl-4-piperidinyl (2-butoxyphenyl)carbamate monohydrochloride 1-Ethyl-4-piperidyl o-butoxycarbanilate hydrochloride 105383-96-8 CARBANILIC ACID, o-BUTOXY-, 1-ETHYL-4-PIPERIDYL ESTER, HYDROCHLORIDE Carbamic acid, (2-butoxyphenyl)-, 1-ethyl-4-piperidinyl ester, monohydrochloride PAK 4224 o-Butoxy carbanilic acid 1-ethyl-4-piperidyl ester hydrochloride