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What is the molecular formula of the compound with this IUPAC name 1-[1-tert-butyl-3-(1,2-thiazol-4-yl)pyrazol-4-yl]-3-[2-[8-methyl-2-(methylamino)-7-oxopyrido[2,3-d]pyrimidin-6-yl]cyclopropyl]urea ?
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C23H27N9O2S
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