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What is the molecular formula of the molecule identified by ethyl (2Z,5S)-5-(2-bromo-4,5-dimethoxyphenyl)-2-(furan-2-ylmethylidene)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate ?
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C23H21BrN2O6S
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