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公开(公告)号：US20230192745A1
公开(公告)日：2023-06-22
申请号：US16620900
申请日：2018-07-12
Applicant: GLAXOSMITHKLINE BIOLOGICALS SA
Inventor： Roberto ADAMO , Linda DEL BINO
CPC classification number: C07H1/06 , C07H15/04 , A61K47/6415
Abstract: The present invention generally refers to novel intermediate polysaccharide units, useful for the preparation of polysaccharide antigen of GBS Ia, Ib and III; the invention also refers to a process for their preparation and their use as intermediate for the preparation of conjugated derivatives useful in vaccines.
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