4,4’-DDD Back Catalog number: 79290 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95144 Propazine Price on request 10330.17-100-ME Norcocaine Price on request 9694.24-10MG Naphtho[2,1-a]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request