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system
What is the molecular formula of the molecule identified by 7-(6-methoxypyridin-3-yl)-5-methyl-2-[[(2R)-2-methyl-4-methylsulfonylpiperazin-1-yl]methyl]thieno[3,2-c]pyridin-4-one;hydrochloride ?
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C21H27ClN4O4S2
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