105384-13-2 CARBANILIC ACID, o-(HEPTYLOXY)-, 1-BUTYL-4-PIPERIDYL ESTER, HYDROCHLORIDE Carbamic acid, (2-(heptyloxy)phenyl)-, 1-butyl-4-piperidinyl ester, monohydrochloride PAK 4427 o-(Heptyloxy)carbanilic acid 1-butyl-4-piperidyl ester hydrochloride