3-Bromo-2-(difluoromethyl)pyridine-4-carboxaldehyde
4-(Chloromethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-acetic acid
Ethyl 2-(difluoromethyl)-4-nitropyridine-5-acetate
4-(Chloromethyl)-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-acetic acid