(-)-Ketoconazole
(-)-Ketoconazole -)-R 41400) is one of the enantiomers of ketoconazole (HY-B0105). Ketoconazole is a racemic mixture of two enantiomers, levoketoconazole 2S,4R)-(−)-ketoconazole) and dextroketoconazole 2R,4S)-(+)-ketoconazole). Ketoconazole is an antifungal agent and a cytochrome P450 inhibitor.