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