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What is the molecular formula of the compound with this IUPAC name 4-[[4-amino-5-(7-methoxy-5-methyl-1-benzothiophen-2-yl)pyrrolo[2,1-f][1,2,4]triazin-6-yl]methyl]-3-methylpiperazin-2-one ?
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C22H24N6O2S
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