2,3,4-Tri-O-acetyl-β-D-glucuronidemethylester is a synthetic intermediate in the synthesis of prodrug forms of the antitumor antibiotic daunomycin .1 1.Leenders, R.G.G., and Scheeren, H.W.Synthesis and evaluation of novel daunomycin-phosphate-sulfate-β-glucuronide and -β-glucoside prodrugs for application in ADEPTBioorg. Med. Chem. Lett.5(24)2975-2980(1995)