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system
Name the molecular formula for the molecule established as ethyl (4R)-4-[2-[2-[2-[(5-bromo-2-ethoxyphenyl)methylidene]hydrazinyl]-2-oxoethoxy]phenyl]-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxylate using the IUPAC nomenclature.
user
C25H27BrN4O5S
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