Whitesides Group - Publications Page 22 of 31 332. "Practical Enzyme-Based Syntheses of Uridine 5'-Diphosphogalactose (UDP-Gal) and Uridine 5'- Diphospho-N-acetylgalactosamine (UDP-GaINAc) on Gram Scale", Heidlas, J., Lees, W. and Whitesides, G. M., 1 Org. Chem., 1992, 57, 152.157. 331. "Gram-Scale Sy