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