3-(4-(4-Methoxyphenyl)-4H-1,2,4-triazol-3-yl)-1,2-benzisothiazole 4-(3-(1,2-Benzisothiazol-3-yl)-4H-1,2,4-triazol-4-yl)phenyl methyl ether AIDS-140567 AIDS140567 NSC652927