Methyl 2-[4-(1-hydroxy-4-(4-hydroxydiphenylmethyl-1-piperidyl)butyl)phenyl]isobutyrate

4-[1-Hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-|A,|A-dimethylbenzeneacetic Acid Methyl Ester