Norfentanyl, 1000µg/ml in MeOH, 1ml Back Catalog number: 11859.14-K-ME Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 10940.15-K-ME Tramadol-13C,d3 hydrochloride Price on request 11065.20-100-ME Methoxphenidine hydrochloride Price on request 2707.16-K-ME Tramadol HCl, 1000μg/ml in MeOH, 1ml Price on request