2-Piperidinoethyl o-((hexyloxy)methyl)carbanilate hydrochloride 80189-41-9 AMK 264 CARBANILIC ACID, o-((HEXYLOXY)METHYL)-, 2-PIPERIDINOETHYL ESTER, HYDROCHLORIDE o-((Hexyloxy)methyl)carbanilic acid 2-piperidinoethyl ester hydrochloride