Ethyl 3-hydroxy-2-nitro-6-(trifluoromethoxy)pyridine-4-carboxylate
2-Fluoro-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Fluoro-3-(fluoromethyl)-5-(trifluoromethoxy)pyridine-4-carboxylic acid
5-(Aminomethyl)-2-hydroxy-3-methyl-4-(trifluoromethoxy)pyridine