1-(3-Cyano-3,3-diphenylpropyl)-4-phenylpiperidin-4-carbonsaeure-butylester 15302-05-3 Butoxylate Butoxylate [INN] Butoxylato Butoxylatum Butyl 1-(3-cyano-3,3-diphenylpropyl)-4-phenylpiperidine-4-carboxylate. R 1319