3-Bromo-5-chloro-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Amino-6-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Bromo-5-chloro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-Bromo-6-chloro-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride