A Concise Synthesis of N-Trichloroethoxycarbonyl Lactosamine Trichloroacetimidate Donor and its Application in the Synthesis of Gal(β1-4)GlcNAc(β1-3)L-Fuc(α-OAll) - Xue, Jun; Khaja, Sirajud D; Locke, Robert D; Matta, Khushi L (Synlett, 2004)