2-Bromo-3-methoxy-5-(trifluoromethoxy)pyridine-6-sulfonamide
3-Bromo-2-methoxy-4-(trifluoromethoxy)pyridine-5-sulfonyl chloride
6-Bromo-2-methoxy-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2,6-Dichloro-3-(trifluoromethoxy)pyridine-4-acetonitrile