5-Methoxy-4-nitro-3-(trifluoromethoxy)pyridine-2-carboxylic acid
3-(Aminomethyl)-5-methoxy-2-(trifluoromethoxy)pyridine-6-acetonitrile
3-Methoxy-4-nitro-2-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Methoxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-acetonitrile