Ethyl 6-(difluoromethyl)-4-methoxy-2-(trifluoromethyl)pyridine-3-carboxylate
Ethyl 2-(difluoromethyl)-4-methoxy-3-(trifluoromethyl)pyridine-6-carboxylate
2-(Difluoromethyl)-4-methoxy-3-(trifluoromethyl)pyridine-5-carboxaldehyde
2-(Difluoromethyl)-3-methoxy-6-(trifluoromethyl)pyridine-4-carboxaldehyde