6-Hydroxy-3-iodo-2-nitro-4-(trifluoromethoxy)pyridine
4-(Aminomethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-3-carboxylic acid
Methyl 3-hydroxy-5-methyl-4-(trifluoromethoxy)pyridine-2-carboxylate
4-(Aminomethyl)-3-fluoro-5-(trifluoromethoxy)pyridine-2-carboxylic acid