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