2-Butoxy-2,2-diphenylacetic acid (1-methyl-2-pyrrolidinyl)methyl ester hydrochloride 3043-06-9 ACETIC ACID, 2-BUTOXY-2,2-DIPHENYL-, (1-METHYL-2-PYRROLIDINYL)METHYL ESTER, HYDR Acetic acid, 2-butoxy-2,2-diphenyl-, (1-methyl-2-pyrrolidinyl)methyl ester, hydrochloride