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