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(3S,3aS,6aS,9S,10R,10aR)-9,10-dihydroxy-7,7-dimethyl-1-oxo-3-((tetrahydro-2H-pyran-2-yl)oxy)-3,3a,6,6a,7,8,9,10-octahydro-1H-naphtho[1,8a-c]furan-4-carbaldehyde
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(3S,3aS,6aS,9S,10R,10aR)-9-((tert-butyldimethylsilyl)oxy)-10-hydroxy-7,7-dimethyl-1-oxo-3-((tetrahydro-2H-pyran-2-yl)oxy)-3,3a,6,6a,7,8,9,10-octahydro-1H-naphtho[1,8a-c]furan-4-carbaldehyde
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(3S,3aS,6aS,9S,10R,10aR)-4-formyl-10-hydroxy-7,7-dimethyl-1-oxo-3-((tetrahydro-2H-pyran-2-yl)oxy)-3,3a,6,6a,7,8,9,10-octahydro-1H-naphtho[1,8a-c]furan-9-yl (2R)-2-acetoxydecanoate
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(3S,3aS,6aS,9S,10R,10aR)-9-((tert-butyldimethylsilyl)oxy)-4-formyl-7,7-dimethyl-1-oxo-3-((tetrahydro-2H-pyran-2-yl)oxy)-3,3a,6,6a,7,8,9,10-octahydro-1H-naphtho[1,8a-c]furan-10-yl (2R)-2-((2-methoxyethoxy)methoxy)decanoate
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(3S,3aS,6aS,9S,10R,10aR)-4-formyl-10-hydroxy-7,7-dimethyl-1-oxo-3-((tetrahydro-2H-pyran-2-yl)oxy)-3,3a,6,6a,7,8,9,10-octahydro-1H-naphtho[1,8a-c]furan-9-yl (2R)-2-((2-methoxyethoxy)methoxy)decanoate