1-(4-(4-(((2R,4S)-2-((1H-imidazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methoxy)phenyl)piperazin-1-yl-2,2,3,3,5,5,6,6-d8)ethan-1-one,1-(4-(4-(((2R,4S)-2-((1H-Imidazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methoxy)phenyl)piperazin-1-yl-2,2,3,3,5,5,6,6-d8)ethan-1-one,Ketoconazole Stable Isotopes