3-(Difluoromethyl)-2-hydroxy-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
6-Hydroxy-4-nitro-3-(trifluoromethoxy)pyridine-2-carboxylic acid
4-Hydroxy-6-nitro-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-Hydroxy-2-nitro-5-(trifluoromethoxy)pyridine-3-carboxaldehyde