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