Pentobarbital will reduce the extent or effect of ixabepilone by impacting hepatic/intestinal enzyme CYP3A4 metabolism. Use Warning/Keep an eye on. pentobarbital will reduce the extent or result of alfuzosin by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Insignificant/Importance Unidentified. pentobarbital increases results of ifosfamide by influencing hepatic enzyme CYP2B6... https://citychemiststore.com/product/buy-nembutal-powder-online/