You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named methanamine;5-[2-[(3S)-3-methylmorpholin-4-yl]-7-propan-2-yl-5,6-dihydropyrrolo[2,3-d]pyrimidin-4-yl]pyrimidin-2-amine by IUPAC nomenclature, provide its molecular formula.
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C19H30N8O
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