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system
Name the molecular formula for the molecule established as (3R,7R,8R)-3-methoxy-8-(2-methoxyphenyl)-2,5,12,14-tetraoxatetracyclo[7.7.0.03,7.011,15]hexadeca-1(16),9,11(15)-trien-6-one using the IUPAC nomenclature.
user
C20H18O7
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