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What is the molecular formula of the molecule 7-[(3S,4S)-3-amino-4-propan-2-ylpyrrolidin-1-yl]-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-8-methyl-4-oxoquinoline-3-carboxylic acid ?
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C21H25F2N3O3
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