Methyl 2-methoxy-3-nitro-6-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 6-(difluoromethyl)-2-iodo-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-methoxy-3-nitro-5-(trifluoromethoxy)pyridine-4-carboxylate
3-Methoxy-2-methyl-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine