2-Cyano-4-methoxy-3-(trifluoromethoxy)pyridine-5-carboxylic acid
Methyl 4-cyano-6-methoxy-2-(trifluoromethoxy)pyridine-3-acetate
2-Cyano-3-methoxy-5-(trifluoromethoxy)pyridine-6-carboxylic acid
Methyl 4-cyano-2-methoxy-5-(trifluoromethoxy)pyridine-3-acetate