发明名称 Crystalline form of a cephalosporin antibiotic
摘要 The preparation of a novel crystalline cefaclor and the conversion of such a product to cefaclor monohydrate are described. The new intermediate cefaclor is a particular crystalline form and possesses the same antibiotic properties as cefaclor monohydrate.
申请公布号 US5693790(A) 申请公布日期 1997.12.02
申请号 US19950455136 申请日期 1995.05.31
申请人 BIOCHIMICA OPOS SPA 发明人 DA COL, MARCO;DALL'ASTA, LEONE;RESTA, IRENE
分类号 A61K31/545;A61K31/546;A61P31/04;C07D501/00;C07D501/59;(IPC1-7):C07D501/32 主分类号 A61K31/545
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