153473-53-1 AIDS-003277 AIDS003277 Acetamide, N-[2-[4-(1H-indol-2-ylcarbonyl)-1-piperazinyl]-3-pyridinyl]- N-(2-Indolcarbonyl)-N'-[(3-acetylamino)-2-pyridinyl]piperazine Piperazine deriv.