99260-67-0 Benz(a)anthracene-1,7,12(2H)-trione, 9-(2',3'-anhydro-2,6-dideoxy-4-O-(3,6-dideoxy-alpha-L-erythro-hexopyranos-4-ulos-1-yl)-beta-D-arabino-hexopyranosyl)-3-((5-((5,6-dihydro-6-methyl-5-oxo-2H-pyran-2-yl)oxy)tetrahydro-6-methyl-2H-pyran-2-yl)oxy)-3,4,4a,12b-tetrahydro-4a,8,12b-trihydroxy-3-methyl-, (3R-(3-alpha(2S*,5S*(2R*,6S*),6S*),4a-alpha,12b-alpha))- Saquayamycin B