Spiking Standard 3 Back Catalog number: 53072 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674585 Dextromethorphan hydrobromide monohydrate, 250mg Price on request M160100 Maltohexaose, >95%, 100mg Price on request 675482 Octafluoronaphthalene, 100mg Price on request