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