Pentobarbital will decrease the level or effect of ketoconazole by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown. pentobarbital will decrease the level or effect of quinine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Minor/Significance Unknown. pentobarbital will decrease the level or effect of bexarotene by affecting hepatic/intestina... https://businessbookmark.com/story5805708/5-semplici-tecniche-per-pentobarbital-cosa-%C3%88