3-(Chloromethyl)-4-hydroxy-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
2-Hydroxy-4-methyl-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-(Chloromethyl)-2-hydroxy-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
2-Hydroxy-3-methyl-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride