4-Amino-5-iodo-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-Amino-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-methanol
3-Amino-6-(chloromethyl)-4-(trifluoromethoxy)pyridine-2-methanol
4-Amino-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-methanol