6,9,12a-Trihydroxy-8-(hydroxy(methoxy)methyl)-2,4a-dimethoxy-7-methyl-4,5,12-trioxo-1,4,4a,5,12,12a-hexahydro-1-naphthacenyl 6-deoxy-2,3,4-tri-O-methylhexopyranoside AIDS-139359 AIDS139359 Isoelloramycin NSC648397