4-(4-hydroxy-4-phenylpiperidin-1-yl)-N,N-dimethyl-2,2-diphenylbutanamide;4-Hydroxy-N,N-dimethyl-?,?,4-triphenyl-1-piperidinebutanamide
4-(4-hydroxy-4-phenylpiperidin-1-yl)-N,N-dimethyl-2,2-diphenylbutanamide;4-Hydroxy-N,N-dimethyl-?,?,4-triphenyl-1-piperidinebutanamide