4-Hydroxy-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-carboxylic acid
Methyl 2-(difluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 5-hydroxy-2-nitro-3-(trifluoromethoxy)pyridine-6-carboxylate
2-Hydroxy-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-acetic acid