105383-99-1 CARBANILIC ACID, o-(HEPTYLOXY)-, 1-ETHYL-4-PIPERIDYL ESTER, HYDROCHLORIDE Carbamic acid, (2-(heptyloxy)phenyl)-, 1-ethyl-4-piperidinyl ester, monohydrochloride PAK 4227 o-(Heptyloxy)carbanilic acid 1-ethyl-4-piperidyl ester hydrochloride