Quinoxaline-2-carboxylic acid Back Catalog number: 91819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79119 Clopyralid (Lontrel) Price on request 58062 Samarium (Sm) Price on request 676539 D6-Chlorpyrifos-methyl, 100 µg/ml, Acetone, 1ml Price on request