SEARCH Articles Figures Tables ABX blood antigen oligosaccharides Diels-Alder reaction Further Terminal Reactions in Complex-Type Oligosaccharide Synthesis Koenigs-Knorr reaction oligosaccharides Koenigs-Knorr reaction, synthesis oligosaccharides Maillard reactions oligosaccharides Oligosaccharide synthesis enzymatic reactions Oligosaccharide synthesis hydrolytic reaction Oligosaccharides iterative reactions