3-(Difluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
Ethyl 4-methoxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-carboxylate
Ethyl 3-methoxy-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-acetate
Ethyl 4-methoxy-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-carboxylate