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What is the molecular formula of the molecule identified by 4-acetyl-5,6-dihydroxy-1H-cyclohepta[c]furan-3,7-dione;5-acetyl-2,3-dihydroxy-6-methylcyclohepta-2,4,6-trien-1-one;2,3-dihydroxy-4,6-dimethylcyclohepta-2,4,6-trien-1-one;5,6-dihydroxy-4-methyl-1H-cyclohepta[c]furan-3,7-dione;methane ?
user
C41H40O18
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