Ethyl 3-(fluoromethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylate
3-(Bromomethyl)-5-iodo-6-nitro-2-(trifluoromethoxy)pyridine
6-(Difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-(Bromomethyl)-5-iodo-2-nitro-6-(trifluoromethoxy)pyridine