Prometon Back Catalog number: 70253 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685298 1-Naphthylacetic acid, 100 µg/ml, Acetonitrile, Price on request 675036 Tylosin B, 10mg Price on request 674986 2,4'-DDD, 100mg Price on request