4-Amino-3-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylic acid
6-Amino-3-bromo-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine
3,4-Diiodo-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Amino-6-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid