3-(6,8,8-Trimethyl-8,9-dihydro-7H-[1,2,4]triazolo[4,3-b][1,2,4]triazepin-3-yl)aniline 3-(6,8,8-Trimethyl-8,9-dihydro-7H-[1,2,4]triazolo[4,3-b][1,2,4]triazepin-3-yl)phenylamine AIDS-137074 AIDS137074 NSC640621