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What is the molecular formula of the molecule (4S)-4-(3,4-dichlorophenyl)-7-(5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridin-6-yl)-1,2,3,4-tetrahydroisoquinoline;hydrochloride ?
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C21H21Cl3N4
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