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N-((2S,3S,4S,6R)-6-(((2S,4S)-5,12-dihydroxy-2'-methoxy-5',6,11-trioxo-3,4,6,11-tetrahydro-1H-spiro[tetracene-2,4'-[1,3]dioxan]-4-yl)oxy)-3-hydroxy-2-methyltetrahydro-2H-pyran-4-yl)-2,2,2-trifluoroacetamide
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(2S,3S,4S,6R)-6-(((1S,3S)-3-(2-(formyloxy)acetyl)-3,5,12-trihydroxy-6,11-dioxo-1,2,3,4,6,11-hexahydrotetracen-1-yl)oxy)-2-methyl-4-(2,2,2-trifluoroacetamido)tetrahydro-2H-pyran-3-yl 4-nitrobenzoate
