求助一篇英文文献

【序号】：1

【作者】：William Egan , Rachel Schneerson , Kathleen E. Werner , Gerald Zon

【题名】：Structural studies and chemistry of bacterial capsular polysaccharides. Investigations of phosphodiester-linked capsular polysaccharides isolated from Haemophilus influenzae types a, b, c, and f: NMR spectroscopic identification and chemical modification of end groups and the nature of base-catalyzed hydrolytic depolymerization

【年、卷、期、起止页码】：1982, 104 (10), pp 2898–2910

【全文链接】：http://pubs.acs.org/doi/abs/10.1021/ja00374a033?journalCode=jacsat