Methyl 2-(bromomethyl)-5-(difluoromethyl)-4-iodopyridine-3-carboxylate
4-(Bromomethyl)-6-(difluoromethyl)-2-iodopyridine-3-carboxylic acid
3-(Aminomethyl)-6-(difluoromethyl)-2-methoxy-4-methylpyridine
Methyl 4-(bromomethyl)-3-(difluoromethyl)-6-iodopyridine-2-acetate