4-(Aminomethyl)-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylic acid
4-(Aminomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid
3-(Aminomethyl)-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylic acid
Ethyl 3-(difluoromethyl)pyridine-2-acetate