2-((3-Dimethylamino-2-(2-carboxy-4-cyclohexenylcarbonyloxy))propoxy)bibenzyl hydrochloride 4-Cyclohexene-1,2-dicarboxylic acid, mono(1-((dimethylamino)methyl)-2-(2-(2-phenylethyl)phenoxy)ethyl) ester, hydrochloride 86819-24-1