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system
What is the molecular formula of the molecule identified by 3-(7-pyridin-4-yl-1H-imidazo[4,5-b]pyridin-2-yl)-5-(1,2,3,6-tetrahydropyridin-4-yl)-2H-pyrazolo[3,4-b]pyridine ?
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C22H18N8
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