4-Methoxy-3-nitro-6-(trifluoromethoxy)pyridine-2-sulfonamide
5-(Aminomethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-4-methanol
4-Methoxy-2-nitro-6-(trifluoromethoxy)pyridine-3-sulfonamide
3-(Aminomethyl)-5-methoxy-4-(trifluoromethoxy)pyridine-2-methanol