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What is the molecular formula of the molecule N-[3-[(4aR,7aS)-2-amino-4a-fluoro-5,7-dihydro-4H-furo[3,4-d][1,3]oxazin-7a-yl]-4-fluorophenyl]-5-fluoropyridine-2-carboxamide;hydrochloride ?
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C18H16ClF3N4O3
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