1-Propyl-4-piperidyl o-butoxycarbanilate hydrochloride 105384-03-0 CARBANILIC ACID, o-BUTOXY-, 1-PROPYL-4-PIPERIDYL ESTER, HYDROCHLORIDE Carbamic acid, (2-butoxyphenyl)-, 1-propyl-4-piperidinyl ester, monohydrochloride PAK 4324 o-Butoxycarbanilic acid 1-propyl-4-piperidyl ester hydrochloride