2-Bromo-5-chloro-3-(trifluoromethoxy)pyridine-6-carbonyl chloride
3,4-Dimethoxy-2-(trifluoromethoxy)pyridine-6-carbonyl chloride
2,4-Dimethoxy-5-(trifluoromethoxy)pyridine-3-carbonyl chloride
2,6-Diiodo-4-(trifluoromethoxy)pyridine-3-carbonyl chloride