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system
Provide the molecular formula for the IUPAC named substance (5R,7R)-5-(4-fluorophenyl)-N-(thiophen-2-ylmethyl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide .
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C19H16F4N4OS
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