105384-01-8 CARBANILIC ACID, m-(HEPTYLOXY)-, 1-ETHYL-4-PIPERIDYL ESTER, HYDROCHLORIDE Carbamic acid, (3-(heptyloxy)phenyl)-, 1-ethyl-4-piperidinyl ester, monohydrochloride PAK 4237 m-(Heptyloxy)carbanilic acid 1-ethyl-4-piperidyl ester hydrochloride