2-Bromo-6-chloro-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-Bromo-2-iodo-6-(trifluoromethoxy)pyridine-4-acetic acid
2-Bromo-5-chloro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
6-Bromo-2-cyano-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride