Methyl 4-bromo-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-5-acetate
Ethyl 3-cyano-2-(difluoromethyl)-4-fluoropyridine-5-acetate
3-(Difluoromethyl)-2-methyl-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-(Chloromethyl)-5-cyano-3-(trifluoromethoxy)pyridine-6-acetic acid