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system
What is the molecular formula of the molecule identified by [6-[(E)-[[6-[[(E)-[6-(hydroxymethyl)pyridin-2-yl]methylideneamino]-methylamino]-2-methylpyrimidin-4-yl]-methylhydrazinylidene]methyl]pyridin-2-yl]methanol ?
user
C21H24N8O2
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