Ethyl 2-(chloromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 6-(chloromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine-4-carboxylate
2-(Difluoromethyl)-4-hydroxy-3-methoxy-6-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-3-hydroxy-6-methoxy-4-(trifluoromethoxy)pyridine