3-Bromo-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-6-carboxaldehyde
2-Bromo-6-(difluoromethyl)-5-(trifluoromethyl)pyridine-3-carboxaldehyde
3-Chloro-5-(difluoromethyl)-6-methyl-2-nitropyridine
Ethyl 2-(bromomethyl)-6-chloro-3-(difluoromethyl)pyridine-4-carboxylate