2-Hydroxy-4-methyl-6-(trifluoromethoxy)pyridine-3-sulfonamide
4-(Aminomethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-3-acetic acid
2-Hydroxy-4-methyl-3-(trifluoromethoxy)pyridine-6-sulfonamide
4-(Aminomethyl)-3-fluoro-5-(trifluoromethoxy)pyridine-2-acetic acid