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