Methyl 2-cyano-5-methyl-3-(trifluoromethoxy)pyridine-6-carboxylate
3-Cyano-2-methyl-4-(trifluoromethoxy)pyridine-6-acetic acid
Methyl 2-(bromomethyl)-4-fluoro-3-(trifluoromethoxy)pyridine-6-acetate
2-Cyano-6-methyl-5-(trifluoromethoxy)pyridine-3-acetic acid