2-((3-Dimethylamino-2-(3-carboxypropionyloxy))propoxy)-3'-methoxybibenzyl hydrochloride Butanedioic acid, mono(1-((dimethylamino)methyl)-2-(2-(2-(3-methoxyphenyl)ethyl)phenoxy)ethyl)ester, monohydrochloride EJ9988816