(4-(4,4-Dimethyl-4,5-dihydro-1,3-oxazol-2-yl)-3-phenyl-5-isoxazolyl)methyl phenyl sulfoxide 4-(4,4-Dimethyl-4,5-dihydro-1,3-oxazol-2-yl)-3-phenyl-5-((phenylsulfinyl)methyl)isoxazole AIDS-139870 AIDS139870 NSC650160