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