4-(Difluoromethyl)-6-fluoro-2-nitro-3-(trifluoromethoxy)pyridine
Ethyl 2-hydroxy-3-nitro-5-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-hydroxy-3-methoxy-5-(trifluoromethoxy)pyridine-4-carboxylate
3-Hydroxy-2-methoxy-6-(trifluoromethoxy)pyridine-5-acetic acid