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