3-Amino-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-Amino-6-hydroxy-5-(trifluoromethoxy)pyridine-3-acetic acid
5-Amino-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Amino-3-hydroxy-6-iodo-5-(trifluoromethoxy)pyridine