发明名称 THERMODYNAMICALLY STABLE CRYSTAL FORM OF 4-DEOXY-4-(EPI)-METHYLAMINO AVERMECTIN B1a/B1b BENZOIC ACID SALT AND PROCESSES FOR ITS PREPARATION
摘要 <p>The most thermodynamically stable crystalline form of the benzoic acid salt of 4"-deoxy-4"-epi-methylamino avermectin B1a/B1b as the hemihydrate is obtained by crystallization from organic solvents containing a controlled amount of water.</p>
申请公布号 GR3032164(T3) 申请公布日期 2000.04.27
申请号 GR19990403202T 申请日期 1999.12.16
申请人 MERCK & CO. INC. 发明人 CVETOVICH, RAYMOND;DEMCHAK, RICHARD;MCCAULEY, JAMES, A.;VARSALONA, RICHARD, J.
分类号 C07H17/08;A01N43/90;A01P7/04;C07D493/22;C07H17/04;C07H19/01;(IPC1-7):C07H17/08 主分类号 C07H17/08
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