AIDS-161424 AIDS161424 NSC691421 NSC691422 [11-(3,4-Dimethoxyphenyl)-8,10-diphenyl-8,11-dihydropyrazolo[4',3':5,6]pyrano[3,2-e][1,2,4]triazolo[1,5-c] pyrimidin-2-yl]acetonitrile