5-Amino-2-(difluoromethyl)pyridine-4-sulfonamide
4-Chloro-3,5-dihydroxypyridine
4-Amino-6-bromo-3-(bromomethyl)-2-(difluoromethyl)pyridine
3-Chloro-5-(difluoromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine
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