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