Methyl 6-chloro-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-carboxylate
Methyl 2-chloro-4-(difluoromethyl)-3-(trifluoromethyl)pyridine-6-carboxylate
3-Chloro-2-(difluoromethyl)-5-nitropyridine-6-methanol
Methyl 2-chloro-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-6-carboxylate