Ethyl 2-cyano-5-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 2-cyano-3-methoxy-5-(trifluoromethoxy)pyridine-4-carboxylate
5-Chloro-4-(fluoromethyl)-2-methyl-3-(trifluoromethoxy)pyridine
3-Chloro-2-(fluoromethyl)-5-methyl-4-(trifluoromethoxy)pyridine