D4-Imidacloprid, 100 µg/ml, Acetone, 1ml Back Catalog number: 677005 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70914 Hydroquinone Price on request 79124 Ethanol, 1000µg/ml in Water, 1ml Price on request 73519 Atrazine desethyl-2-hydroxy Price on request