4,4'-DDD, 250mg Back Catalog number: 677528 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 674937 Monensin sodium salt, 100mg Price on request 673282 Fenazaquin, 10.0 µg/ml, Acetonitrile, 10ml Price on request 70175 Ethoprop, 1000µg/ml in MeOH, 1ml Price on request