Methyl 4-cyano-5-methyl-2-(trifluoromethoxy)pyridine-3-carboxylate
6-Fluoro-4-methyl-2-(trifluoromethoxy)pyridine-3-carboxylic acid
Methyl 4-cyano-3-methyl-5-(trifluoromethoxy)pyridine-2-carboxylate
2-Fluoro-4-methyl-5-(trifluoromethoxy)pyridine-3-carboxylic acid