Methyl Derivatives Standard Back Catalog number: 93613 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97937 PAH Mix #2 Price on request 677018 Imidacloprid olefin, 10.0 µg/ml, Acetonitrile, 5 Price on request 680638 Triflusulfuron Metabolite IN-M7222, 10mg Price on request