Methyl 3-(bromomethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine-2-acetate
2-Chloro-6-methyl-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-(Difluoromethyl)-6-iodo-4-methylpyridine
4-Amino-3-(difluoromethyl)pyridine-5-methanol
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