申请人:Dandala Ramesh
公开号:US20050137182A1
公开(公告)日:2005-06-23
The present invention relates to novel crystalline form of Cefdinir, 7β-[(Z)-2-(2-amino-4-thiazolyl)-2-hydroxyiminoacetamido]-3-vinyl-3-cephem-4-carboxylic acid, herein referred as cefdinir crystal B, processes for preparing cefdinir crystal B, and the incorporation of cefdinir crystal B in pharmaceutical compositions.
本发明涉及头孢呋辛的新结晶形式,即7β-[(Z)-2-(2-氨基-4-噻唑基)-2-羟基亚胺基乙酰氨基]-3-乙烯基-3-头孢烯-4-羧酸,简称为头孢呋辛B晶体,以及制备头孢呋辛B晶体的方法,以及将头孢呋辛B晶体纳入药物组合物中。