plasma concentrations of propoxyphene and its major metabolite , norpropoxyphene , were determined over at least 12 hr after oral administration of 130 mg dextropropoxyphene hydrochloride to eight men with hepatic cirrhosis , of whom four had a surgically constructed portacaval shunt , and to seven healthy men .
C0033493
propoxyphene
C0242451
dextropropoxyphene hydrochloride