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What is the molecular formula of the compound with this IUPAC name 5-amino-3-[2-[4-(2-cyclopropylacetyl)piperazin-1-yl]ethyl]-8-(furan-2-yl)-1-methyl-3aH-purino[7,8-b][1,2,4]triazol-2-one ?
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C22H29N9O3
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