5-Chloro-2-iodo-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
5-Chloro-3-(difluoromethyl)-2-iodo-4-(trifluoromethoxy)pyridine
4-Chloro-5-iodo-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Chloro-3-iodo-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride