4-(Aminomethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid
4-(Aminomethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-3-carboxylic acid
5-Amino-2-(difluoromethyl)-3-iodopyridine-6-carboxylic acid
2-Cyano-6-(difluoromethyl)-5-methoxypyridine-3-carboxylic acid