Methyl 3-chloro-5-methoxy-4-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 5-chloro-4-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylate
3-Chloro-4-iodo-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Chloro-2-iodo-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride