5-Chloro-4-methoxy-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-Chloro-4-methoxy-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-Chloro-6-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-methanol
3-Chloro-2-methoxy-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride