Method 1613 Internal Standard Spiking Solution, 200ng/ml in Nonane, 0,5ml Back Catalog number: EDF-5999 Availability: In the manufacturer's stock Price on request - + Recommended 11641.23-100-AN Opipramol,100 µg/mL,acetonitrile,1mL Price on request 673823 Milbemectin A4, 10.0 µg/ml, Acetonitrile, 10ml Price on request 676899 Pebulate, 100 µg/ml, Ethyl acetate, 1ml Price on request