Interference Standards Set Back Catalog number: 53038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97617 3,4,5,6-Tetrachloroguaiacol Price on request 684554 Trifludimoxazin, 100 µg/ml, Acetonitrile, 1ml Price on request C15811500 Oxypurinol, 25mg Price on request