6-(Difluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
 
6-(Difluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
 
Ethyl 2-methyl-3-nitro-6-(trifluoromethoxy)pyridine-5-carboxylate
 
3-(Difluoromethyl)-6-methoxy-4-(trifluoromethoxy)pyridine-2-methanol