Pentobarbital will reduce the extent or influence of mestranol by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Observe. pentobarbital will decrease the level or outcome of theophylline by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Caution/Keep an eye on. pentobarbital will reduce the level or impact of solifenacin by affecting hepatic/intestin... https://raymondwmbnb.pointblog.net/everything-about-nembutal-was-ist-das-73105678