Pentobarbital will lower the level or outcome of diazepam buccal by influencing hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Check. Solid or moderate CYP3A4 inducers could improve level of diazepam elimination; consequently, efficacy of diazepam might be diminished. pentobarbital improves toxicity of methoxyflurane by expanding metabolism. Contraindicated. Improved metabol... https://citychemiststore.com/product/buy-nembutal-powder-online/