3-(Difluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-6-acetic acid
2-Amino-3-(difluoromethyl)-4-fluoropyridine-5-acetic acid
6-(Bromomethyl)-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-methanol
3-Cyano-2,4-difluoro-5-(difluoromethyl)pyridine