METHYL 4-(4-(4-(HYDROXYDIPHENYLMETHYL)-1-PIPERIDINYL)-1-HYDROXYBUTYL)-.ALPHA.,.ALPHA.-DIMETHYLPHENYLACETATE
methyl 4-(4-(4-(hydroxydiphenylmethyl)-1-piperidinyl)-1-hydroxybutyl)-.alpha.,.alpha.-dimethylphenylacetate