(8S 10S)-6 8 11-trihydroxy-8-(2-hydroxyacetyl)-1-methoxy-10-(((1S 3R 4aS 9S 9aR 10aS)-9-methoxy-1-methyloctahydro-1H-pyrano[4' 3' 4 5]oxazolo[2 3-c][1 4]oxazin-3-yl)oxy)-7 8 9 10-tetrahydrotetracene-5 12-dione

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