Pyriofenone, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 681811 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 79478 Testosterone Price on request 672998 17a-Ethinylestradiol, 250mg Price on request 676153 Chlorobenzuron, 100 µg/ml, Acetonitrile, 1ml Price on request