Methyl 4-(chloromethyl)-3-(difluoromethyl)-2-methoxypyridine-5-acetate
3-(Difluoromethyl)-2-methoxy-4-(trifluoromethyl)pyridine-6-carboxaldehyde
6-(Difluoromethyl)-2-methoxy-3-(trifluoromethyl)pyridine-4-carboxaldehyde
2-(Difluoromethyl)-6-methoxy-3-(trifluoromethyl)pyridine-5-carboxaldehyde