5-Bromo-3-(difluoromethyl)-2-iodopyridine-4-acetic acid
Ethyl 3-(difluoromethyl)-2-fluoropyridine-5-carboxylate
2-(Chloromethyl)-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-carboxylic acid
Ethyl 5-chloro-3-(chloromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate