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