Interference Standard 4 Back Catalog number: 53041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96522 Desalkylflurazepam Price on request 1962.12-50-IO BDE-47, 50µg/ml in Isooctane, 1ml Price on request M326031 6β-Μethyl Prednisolone 21-Acetate (>90%), 2,5mg Price on request