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