Interference Standard 1 Back Catalog number: 52039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679326 4-Benzoyl 4'-methyldiphenyl sulfide, 100mg Price on request 682767 p-Anisidine, 1000mg Price on request 677916 Mefenacet, 10 µg/ml, Acetonitrile, 10ml Price on request