1,3,7,10,12(2H,4H,5H)-Naphthacenepentone, 4a,12a-dihydro-4-((5-((2,6-dideoxy-4-O-(2-hydroxy-3,6-dimethylbenzoyl)-3-C-methylhexopyranosyl)oxy)tetrahydro-6-methyl-2H-pyran-2-yl)oxy)-2-(1-hydroxyethylidene)-8-methoxy-6-methyl-4a,11,12a-trihydroxy- 200625-47-4 Polyketomycin