3-(Chloromethyl)-2-(difluoromethyl)-6-hydroxy-4-methoxypyridine
2-(Chloromethyl)-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-6-sulfonyl chloride
3-Amino-5-(chloromethyl)-2-(difluoromethyl)-4-methylpyridine
5-Hydroxy-2-methyl-3-(trifluoromethoxy)pyridine-4-carboxaldehyde