2-(Difluoromethyl)pyridine-3-carbonyl chloride
4-(Aminomethyl)-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid
3-(Aminomethyl)-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylic acid
3-(Aminomethyl)-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylic acid