2-(Difluoromethyl)-6-fluoro-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Amino-6-cyano-2-(difluoromethyl)-5-methoxypyridine
5-Bromo-2-fluoro-4-mercaptopyridine
3,5-Diiodo-2-(trifluoromethoxy)pyridine-4-carboxylic acid
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