Methyl 2-cyano-5-nitro-3-(trifluoromethoxy)pyridine-6-carboxylate
4-(Difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-5-carboxylic acid
5-(Aminomethyl)-3-cyano-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine
5-(Difluoromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylic acid