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system
Name the molecular formula for the molecule established as (2S)-3-[3,5-bis(methoxycarbonyl)-2,6-dimethyl-1,4-dihydropyridin-4-yl]-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid using the IUPAC nomenclature.
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C19H28N2O8
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