2-Bromo-4-chloro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
5-Amino-4-methyl-2-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Bromo-2-fluoro-4-(trifluoromethoxy)pyridine-5-carboxylic acid
4-Amino-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-acetonitrile