5-Hydroxy-3-nitro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
2-(Aminomethyl)-4-hydroxy-6-nitro-3-(trifluoromethoxy)pyridine
6-Hydroxy-2-nitro-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
5-(Difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine