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