Methyl 3-(bromomethyl)-2-(difluoromethyl)-6-fluoropyridine-5-carboxylate
4-(Bromomethyl)-2-(difluoromethyl)-3-fluoropyridine-5-methanol
Methyl 2-(bromomethyl)-5-(difluoromethyl)-6-fluoropyridine-3-carboxylate
4-(Bromomethyl)-5-(difluoromethyl)-2-fluoropyridine-3-carboxylic acid