5-Cyano-4-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-acetic acid
6-(Difluoromethyl)-2-fluoro-4-hydroxypyridine-3-methanol
3-Cyano-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-5-acetic acid
3-Cyano-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-5-acetic acid