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What is the molecular formula of the compound with this IUPAC name (3R,4R)-3-[6-chloro-2-[[(1S)-1-[3-(4-chlorophenyl)-1H-pyrazol-5-yl]ethyl]amino]pyrimidin-4-yl]-4-[(1R)-1-hydroxyethyl]pyrrolidin-2-one ?
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C21H22Cl2N6O2
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