2-(5-Iodo-2,2-dimethyl-7-(trichloromethyl)-3a,4,5,5a,8a,8b-hexahydro[1,3]dioxolo[4,5-g][1,3]benzoxazol-4-yl)-1H-isoindole-1,3(2H)-dione AIDS-140916 AIDS140916 NSC654951