4-(Fluoromethyl)-3-hydroxy-2-nitro-5-(trifluoromethoxy)pyridine
4-(Fluoromethyl)-2-hydroxy-3-nitro-5-(trifluoromethoxy)pyridine
3-(Aminomethyl)-6-(difluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine
3-(Aminomethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-4-carboxaldehyde