2-Chloro-4-fluoro-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-Chloro-3-fluoro-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Ethyl 2-chloro-5-methoxy-6-(trifluoromethoxy)pyridine-3-carboxylate
2-Chloro-3-fluoro-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride