2-Fluoro-5-(pyridin-3-yl)benzene-1-sulfonyl chloride
4-(Bromomethyl)-3-(difluoromethyl)pyridine-2-sulfonamide
4-Fluoro-2-hydroxypyridine-5-methanol
2-Bromo-4-(chloromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine
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