4-Fluoro-3-hydroxy-5-(trifluoromethoxy)pyridine-2-sulfonamide
Methyl 2-fluoro-3-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 2-(difluoromethyl)-4-fluoro-3-(trifluoromethoxy)pyridine-6-acetate
4-(Fluoromethyl)-6-hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine