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What is the molecular formula of the molecule (6S,9aS)-N-[(4-fluorophenyl)methyl]-8-[(4-methoxyphenyl)methyl]-2-methyl-4,7-dioxo-6-propyl-3,6,9,9a-tetrahydropyrazino[2,1-c][1,2,4]triazine-1-carboxamide ?
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C26H32FN5O4
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