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Can you give the molecular formula of the molecule 3-[7-[[(4aR,8aS)-3-oxo-1,2,4,4a,5,7,8,8a-octahydropyrido[3,4-b]pyrazin-6-yl]methyl]-3-oxo-1H-isoindol-2-yl]piperidine-2,6-dione ?
user
C21H25N5O4
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