3-(Chloromethyl)-4-(difluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine
4-Chloromethyl-3-fluoro-5-hydroxypyridine
2-(Difluoromethyl)-3-methoxy-4-nitropyridine-5-carbonyl chloride
6-Chloro-3-methyl-2-(trifluoromethoxy)pyridine-4-carbonyl chloride
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