4-(6,8,8-Trimethyl-7,8-dihydro-1H-[1,2,4]triazolo[4,3-b][1,2,4]triazepin-3-yl)aniline 4-(6,8,8-Trimethyl-7,8-dihydro-1H-[1,2,4]triazolo[4,3-b][1,2,4]triazepin-3-yl)phenylamine AIDS-137075 AIDS137075 NSC640622