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What is the molecular formula of the molecule (1R,2R,6S,7R)-4-[(2,3-dibromo-5-ethoxy-4-phenylmethoxyphenyl)methylideneamino]-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione ?
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C25H22Br2N2O4
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