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