4,4’-DDD Back Catalog number: 79148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79418 2-Chloronaphthalene Price on request C11503500 Chlorprothixene, 50mg Price on request 11675.12-100-IO 2,3,6-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request