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tert-butyl ((1S,4aS,12aS)-3-cyano-2,4a,6-trihydroxy-7-methoxy-11-methyl-4,5-dioxo-1,4,4a,5,12,12a-hexahydrotetracen-1-yl)carbamate
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tert-butyl ((3S,4S,5S,5aS,13aS,14R)-14-bromo-4,12-dihydroxy-11,14-dimethoxy-7-methyl-13-oxo-3,4,5,5a,6,13-hexahydro-2H-3,13a-methanoanthra[2,3-b]oxepin-5-yl)carbamate
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benzyl ((1S,2S,3S,12aR)-2-(benzyloxy)-3-((benzyloxy)methyl)-4,6,11-trihydroxy-7-methoxy-11-methyl-5-oxo-1,2,3,5,11,11a,12,12a-octahydrotetracen-1-yl)carbamate
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