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What is the molecular formula of the compound with this IUPAC name (3R)-1-[2-[(3aR,7aS)-1,3-dioxo-3a,4,7,7a-tetrahydroisoindol-2-yl]acetyl]-N-(5-chloropyridin-2-yl)piperidine-3-carboxamide ?
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C21H23ClN4O4
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