The present invention relates to a composition comprising =85 wt% of an N-deacylated cephalosporin, a process for making the same and the use of said N-deacylated cephalosporin in the preparation of highly pure semi synthetic cephalosporins.
申请公布号
WO2012032040(A1)
申请公布日期
2012.03.15
申请号
WO2011EP65381
申请日期
2011.09.06
申请人
DSM SINOCHEM PHARMACEUTICALS NETHERLANDS B.V.;KOSTER, ADRIANUS JAN;DOES, VAN DER, THOMAS
