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