3-[N-(4-Cyclopentyl-1-piperazinyl)formimidoyl]rifamycin 61379-65-5 AIDS-007686 AIDS007686 Cyclopentyl rifampin DL 473 DL473 KTC 1 MDL 473 MDL473 Priftin R 77-3 RPE RPT Rifamycin AF/ACPP Rifapentine