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