Spiking Standard 3 Back Catalog number: 56200 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673099 Propyphenazone, 250mg Price on request D232950 5’-Deoxy-5-fluoro Cytidine, 250mg Price on request DF-147-S 1,4,7-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request