Quinoxaline-2-carboxylic acid Back Catalog number: 91819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677772 Ethalfluralin, 250mg Price on request 93105 Aroclor 1242 Price on request 673205 Atrazine-desethyl, 100 µg/ml, Acetonitrile, 5ml Price on request