2-(Aminomethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylic acid
6-(Aminomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid
2-(Aminomethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylic acid
3-(Fluoromethyl)-6-iodo-4-methoxy-2-(trifluoromethoxy)pyridine