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system
Name the molecular formula for the molecule established as 3-(3-amino-3-methylbut-1-ynyl)-6-[(3S,4S)-4-amino-3-methyl-2-oxa-8-azaspiro[4.5]decan-8-yl]-5-methyl-2H-pyrazolo[3,4-d]pyrimidin-4-one using the IUPAC nomenclature.
user
C20H29N7O2
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