Benzyl fentanyl

n-(1-benzyl-4-piperidinyl)-n-phenylpropanamide ; n-phenyl-n-[1-(phenylmethyl)-4-piperidinyl]-propanamide ; n-phenyl-n-[1-(phenylmethyl)piperidin-4-yl]propanamide ; r 4129 ; propionanilide,n-(1-benzyl-4-piperidyl)- (7ci,8ci) ; n-(1-benzylpiperidin-4-yl)-n-phenylpropionamide ; n-phenyl-n-(1-benzyl-4-piperidinyl)propanamide ; propanamide,n-phenyl-n-[1-(phenylmethyl)-4-piperidinyl]- ; benzyl fentanyl ; n-(1-benzyl-4-piperidyl)- propionanilide ; nsc 73402 ; 1-benzyl-4-(n-phenylpropionamido)piperidine