11048-97-8 AIDS-125381 AIDS125381 Antibiotic B26,158 Antiobiotic B 28158, crystalline Crystalline Antibiotic B 26,158 Hedamycin NSC70929 {4H-Anthra[1,2-b]pyran-4,7,12-trione,} {2-(3,3'-dimethyl[2,} {2'-bioxiran]-3-yl)-11-hydroxy-5-methyl-8-[2,3,} {6-trideoxy-3-(dimethylamino)-.beta.-D-arabino-hexopyranosyl]-10-[2} ,3, 6-trideoxy-3-(dimethylamino)-3-C-methyl-.alpha.-L-lyxo-hexopyranos yl\]-