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