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