4-(Bromomethyl)-5-(difluoromethyl)-2-fluoropyridine-3-carboxylic acid
2-(Bromomethyl)-4-(difluoromethyl)-5-fluoropyridine-3-acetic acid
Methyl 3-(difluoromethyl)-4-fluoro-5-(trifluoromethyl)pyridine-2-acetate
3-(Bromomethyl)-2-(difluoromethyl)-4-fluoropyridine-6-acetic acid