2-Naphthalenebutanamide, .alpha.-,.gamma.-dioxo-.beta.-(3-oxo {-2-benzoisofuran-1-yl)-N-[3-(trifluoromethyl)phenyl]-} 4-(2-Naphthyl)-2,4-dioxo-3-(3-oxo-1,3-dihydro-2-benzofuran-1-yl)-N-(3-(trifluoromethyl)phenyl)butanamide AIDS-137325 AIDS137325 NSC641241