2,4-D-butyl ester, 250mg Back Catalog number: 676879 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 682003 2,5-Dichlorohydroquinone, 50mg Price on request 0321.14-50-T 1-Hydroxyphenanthrene Price on request 0015.16-100-T 1,8-Dinitropyrene, 100µg/ml in Toluene, 1ml Price on request