Methyl 4-cyano-3-methyl-2-(trifluoromethoxy)pyridine-5-carboxylate
2-Cyano-3-(difluoromethyl)-5-methyl-4-(trifluoromethoxy)pyridine
Methyl 4-cyano-6-methyl-3-(trifluoromethoxy)pyridine-2-carboxylate
3-Cyano-6-(fluoromethyl)-2-methyl-4-(trifluoromethoxy)pyridine