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system
Name the molecular formula for the molecule established as 2-but-3-enyl-2,10,12,15-tetramethyl-12-prop-2-enyl-5-oxatetracyclo[7.6.0.03,7.011,14]pentadeca-1(15),9,11(14)-triene-4,6-dione using the IUPAC nomenclature.
user
C25H30O3
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