Ethyl 5-bromo-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetate
Ethyl 5-bromo-4-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-acetate
Ethyl 3-bromo-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-6-acetate
4-Chloro-3-cyano-5-(difluoromethyl)pyridine-2-carboxaldehyde