3-Chloro-4-(fluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine
2-Chloro-3-hydroxy-4-methoxy-6-(trifluoromethoxy)pyridine
3-Chloro-2-(fluoromethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine
3-Chloro-4-nitro-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride