6-Chloro-2-iodo-4-(trifluoromethoxy)pyridine-3-carbonyl chloride
2-Chloro-5-methoxy-6-(trifluoromethoxy)pyridine-3-carbonyl chloride
6-Chloro-3-methoxy-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
2-Chloro-5-methoxy-3-(trifluoromethoxy)pyridine-6-carbonyl chloride