2-Bromo-5-iodo-3-nitro-4-(trifluoromethoxy)pyridine
4-(Aminomethyl)-3-(difluoromethyl)-2-hydroxy-5-nitropyridine
5-Methoxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetic acid
6-Cyano-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-carboxylic acid