CAS 76569-74-9 appears in our catalog under these names: Copper, bis[3-acetyl-5-(1-methylpropyl)-2,4-pyrrolidinedionato-O3,O4]-, 98%, Tenuazonic acid copper salt. Offered by: Chemat Brand, Biosynth. Available pack sizes: on request, 10mg, 25mg, 50mg.