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