Cephalosporin derivatives and processes for the preparation thereof
PCT No. PCT/KR96/00255 Sec. 371 Date Jun. 26, 1998 Sec. 102(e) Date Jun. 26, 1998 PCT Filed Dec. 27, 1996 PCT Pub. No. WO97/24359 PCT Pub. Date Jul. 10, 1997The invention provides novel cephalosporin derivatives of the formula (I) and salts thereof for use in pharmaceutical compositions. Also novel precursors for synthesis of the cephalosporins are disclosed.
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(2008/06/13)
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