2-(1-Pyrrolidinyl)ethyl m-(butoxymethyl)carbanilate hydrochloride 80171-64-8 AMK 343 CARBANILIC ACID, m-(BUTOXYMETHYL)-, 2-(1-PYRROLIDINYL)ETHYL ESTER, HYDROCHLORIDE m-(Butoxymethyl)carbanilic acid 2-(1-pyrrolidinyl)ethyl ester hydrochloride