Pentobarbital will lower the extent or influence of lopinavir by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Check. pentobarbital will decrease the level or result of tamoxifen by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Check. pentobarbital will decrease the level or result of maraviroc by influencing hepatic/intestinal enzyme CYP3A4 m... https://milophwlz.bloginder.com/31578449/what-does-nembutal-and-seconal-are-both-examples-of-mean