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