2-((3-(1-Pyrrolidinyl)-2-(3-carboxypropoxy))propoxy)bibenzyl 4-(2-(2-(2-Phenylethyl)phenoxy)ethoxy-1-(1-pyrrolidinyl)methyl)butanoic acid Butanoic acid, 4-(2-(2-(2-phenylethyl)phenoxy)ethoxy-1-(1-pyrrolidinyl)methyl)- EK8215666