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