4-Methoxy-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetic acid
4-(Difluoromethyl)-2-nitro-6-(trifluoromethoxy)pyridine-3-carboxylic acid
2-(Difluoromethyl)-5-methoxy-4-(trifluoromethoxy)pyridine-3-acetonitrile
2-(Difluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-5-carboxylic acid