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