Ethyl 3-bromo-5-(chloromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
4-Chloro-6-(chloromethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine
Ethyl 5-bromo-4-(chloromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylate
6-Chloro-2-iodo-3-methyl-4-(trifluoromethoxy)pyridine