Ethyl 4-(difluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-3-carboxylate
2-Hydroxy-6-methoxy-5-nitro-3-(trifluoromethoxy)pyridine
2-Hydroxy-6-methoxy-3-nitro-5-(trifluoromethoxy)pyridine
Ethyl 2-hydroxy-6-nitro-3-(trifluoromethoxy)pyridine-4-acetate