4-Piperidinecarboxylic acid, 1-(3-cyano-3,3-diphenylpropyl)-4-phenyl-, mixt. with endo-(+-)-8-methyl-8-azabicyclo(3.2.1)oct-3-yl alpha-(hydroxymethyl)benzeneacetate sulfate (2:1) (salt) 79568-96-0 DEA No. 9168 Lyspafen