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