2-Fluoro-5-methyl-3-(trifluoromethoxy)pyridine-6-carboxylic acid
6-(Aminomethyl)-2-cyano-4-hydroxy-3-(trifluoromethoxy)pyridine
3-(Chloromethyl)-2-cyano-4-methyl-5-(trifluoromethoxy)pyridine
2-(Aminomethyl)-6-cyano-3-hydroxy-4-(trifluoromethoxy)pyridine