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