3-(Chloromethyl)-5-(difluoromethyl)-4-methoxypyridine-2-carboxaldehyde
2-(Difluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine
5-(Chloromethyl)-4-(difluoromethyl)-2-methoxypyridine-3-carboxaldehyde
2-(Difluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine