3-(Aminomethyl)-2-(difluoromethyl)-5-methoxypyridine-4-carboxylic acid
3-(Aminomethyl)-2-(difluoromethyl)-4-methoxypyridine-6-carboxylic acid
3-(Aminomethyl)-2-(difluoromethyl)-4-methoxypyridine-5-carboxylic acid
6-(Aminomethyl)-2-(difluoromethyl)-3-methoxypyridine-4-carboxylic acid