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