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