Methyl 4-(bromomethyl)-3-(difluoromethyl)-6-iodopyridine-2-acetate
Methyl 4-(bromomethyl)-3-(difluoromethyl)-2-iodopyridine-6-acetate
5-(Chloromethyl)-2-(difluoromethyl)-3-methoxy-4-methylpyridine
5-(Chloromethyl)-4-(difluoromethyl)-3-methoxy-2-methylpyridine