4,4’-DDD Back Catalog number: 79148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72382 Fipronil Price on request 10276.18-10MG (±)-Betaxolol-d7 hydrochloride (N-iso-propyl-d7) Price on request B276582 Benzyl Fentanyl-d3, 1mg Price on request