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