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  • ((2aR,2a1R,3aR,4aR,5S,6R,7R,8aS,9aR,10aR)-5,6-bis(benzyloxy)-7-((benzyloxy)methyl)-3a-methyl-1-oxooctahydro-3aH,5H-3,4,8,9-tetraoxacyclobuta[6,1]pentaleno[1,2-b]naphthalen-2a1(1H)-yl)methyl benzoate

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