Ethyl 2-cyano-3-methyl-6-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 2-cyano-3-methyl-6-(trifluoromethoxy)pyridine-4-carboxylate
4-Chloro-3-(chloromethyl)-6-nitro-2-(trifluoromethoxy)pyridine
4-Chloro-5-(chloromethyl)-3-nitro-2-(trifluoromethoxy)pyridine