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