Interference Standard 1 Back Catalog number: 53039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677465 Fexofenadine hydrochloride, 10mg Price on request 59862 Mix 2 Price on request 5M7-4-100 Boron, 5000 µg/mL in H2O, 100ml Price on request