2-Chloro-3-methoxy-6-(trifluoromethoxy)pyridine-4-sulfonamide
4-Chloro-6-(chloromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine
4-Chloro-2-(chloromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine
2-Chloro-3-methoxy-4-(trifluoromethoxy)pyridine-6-sulfonamide