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