2-(Fluoromethyl)-5-hydroxy-3-nitro-4-(trifluoromethoxy)pyridine
4-Hydroxy-3-iodo-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Ethyl 5-hydroxy-2-iodo-3-(trifluoromethoxy)pyridine-6-acetate
2-(Fluoromethyl)-4-hydroxy-3-nitro-5-(trifluoromethoxy)pyridine