1-[(R)-2-Methyl-4-(1-phenyl-methanoyl)-piperazin-1-yl]-2-(6-methyl-1H-pyrrolo[2,3-b]pyridin-3-yl)-ethane-1,2-dione and 1-[(R)-2-methyl-4-(1-phenyl-methanoyl)-piperazin-1-yl]-2-(4-methyl-1H-pyrrolo[2,3-b]pyridin-3-yl)-ethane-1,2-dione AIDS-171236 AIDS171236