105405-74-1 CARBANILIC ACID, m-(PENTYLOXY)-, 1-BUTYL-4-PIPERIDYL ESTER, HYDROCHLORIDE Carbamic acid, (3-(pentyloxy)phenyl)-, 1-butyl-4-piperidinyl ester, monohydrochloride PAK 4435 m-(Pentyloxy)carbanilic acid 1-butyl-4-piperidyl ester hydrochloride