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What is the molecular formula of the compound with this IUPAC name 2-O-benzyl 3-O-methyl 6,10-dithia-2-azaspiro[4.5]decane-2,3-dicarboxylate;1-O-benzyl 2-O-methyl 4-oxopyrrolidine-1,2-dicarboxylate ?
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C31H36N2O9S2
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