4-[2-(2-{3-Acetylamino-2-benzyloxy-5-hydroxy-6-[3-(1-nitro-acridin-9-ylamino)-propionyloxy]-tetrahydro-pyran-4-yloxy}-acetylamino)-propionylamino]-4-carbamoyl-butyric acid methyl ester AIDS-140322 AIDS140322 NSC651845