3-Chloro-4-(difluoromethyl)pyridine-2-carboxaldehyde
4-Bromo-5-cyano-3-(difluoromethyl)-2-nitropyridine
Methyl 4-cyano-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-acetate
Ethyl 2-chloro-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetate