AIDS-143556 AIDS143556 N-(3,4-Dihydro-2H-thiochromen-4-yl)-4,5-dihydro-1,3-oxazol-2-amine N-(4,5-Dihydro-1,3-oxazol-2-yl)-N-(3,4-dihydro-2H-thiochromen-4-yl)amine NSC664548