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system
Provide the molecular formula for the IUPAC named substance (2R)-2-[(3aS,6aS)-1-[(2-methylpropan-2-yl)oxycarbonyl]-6-oxo-3,3a,4,6a-tetrahydro-2H-pyrrolo[2,3-c]pyrrol-5-yl]-4-methylpentanoic acid .
user
C17H28N2O5
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