saquayamycin B
9-(2,9-dimethyl-3-oxo-4,4a,5a,6,7,9,9a,10a-octahydrodipyrano[4,2-a:4',3'-e][1,4]dioxin-7-yl)-4a,8,12b-trihydroxy-3-methyl-3-[6-methyl-5-[(6-methyl-5-oxo-2H-pyran-2-yl)oxy]oxan-2-yl]oxy-2,4-dihydrobenzo[a]anthracene-1,7,12-trione
Saquayamycin B is a glycoside of aquayamycin that acts on Gram-positive bacteria and inhibits the growth of adriamycin-sensitive and adriamycin-resistant P388 leukemia cells.
