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system
Provide the molecular formula for the IUPAC named substance (2S,4S)-2-[2-(1,3-dioxolan-2-yl)-2-methylpropyl]-4-(7-methoxy-1,3-benzodioxol-5-yl)-1-[2-oxo-2-[propoxy(propyl)amino]ethyl]pyrrolidine-3-carboxylic acid .
user
C28H42N2O9
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