Methyl 3-amino-4-(difluoromethyl)-6-methylpyridine-2-acetate
2-(Difluoromethyl)-4-nitro-5-(trifluoromethoxy)pyridine-3-carboxamide
3-(Chloromethyl)-5-(difluoromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine
2-(Chloromethyl)-6-(difluoromethyl)-5-methyl-3-(trifluoromethoxy)pyridine