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