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What is the molecular formula of the compound with this IUPAC name ethyl 5-[(4aR,5S,10bR)-9-chloro-3,4,4a,5,6,10b-hexahydro-2H-pyrano[3,2-c]quinolin-5-yl]-2-methylpyrazole-3-carboxylate ?
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C19H22ClN3O3
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