D3-(±)-Naproxen, 100 µg/ml, Methanol, 1ml Back Catalog number: 677719 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 71116 Cyanofenphos Price on request 673186 Aclonifen, 10.0 µg/ml, Acetonitrile, 10ml Price on request 72596 Ponceau 3R Price on request