2-Amino-3-(difluoromethyl)-6-hydroxy-5-(trifluoromethoxy)pyridine
6-Amino-4-nitro-3-(trifluoromethoxy)pyridine-2-methanol
2-Amino-3-(difluoromethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine
5-Amino-2-fluoro-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine