5-(Bromomethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
Methyl 5-(difluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine-4-carboxylate
3-(Bromomethyl)-5-methoxy-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-(Difluoromethyl)-3-iodo-4-(trifluoromethoxy)pyridine-5-carboxaldehyde