3-(Difluoromethyl)-2-nitro-5-(trifluoromethyl)pyridine-6-methanol
3-(Difluoromethyl)-2-nitro-5-(trifluoromethyl)pyridine-4-methanol
3-(Difluoromethyl)-2-nitro-4-(trifluoromethyl)pyridine-6-methanol
2-(Difluoromethyl)-6-nitro-3-(trifluoromethyl)pyridine-4-methanol