Ethyl 3-chloro-2-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxylate
2-Cyano-3-(fluoromethyl)-4-methyl-6-(trifluoromethoxy)pyridine
4-(Chloromethyl)-3-cyano-6-methyl-2-(trifluoromethoxy)pyridine
4-Cyano-5-(difluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine