Ethyl 2-hydroxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-carboxylate
5-(Difluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
Methyl 5-hydroxy-2-nitro-3-(trifluoromethoxy)pyridine-4-carboxylate
3-Hydroxy-6-nitro-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine