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