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