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