273. "Preparation of Cytidine 5'-Monophospho-N-Acetylneuraminic Acid (CMP-NeuAc) and Uridine 5'-Diphosphoglucuronic Acid (UDP-GlcUA); Syntheses of a-2,6-Sialyllactosamine, a-2,6-Sialyllactose, and Hyaluronic Acid", Simon, E.S., Toone, E.J., Ostroff, G...