Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1989-05-11
1990-11-20
Rizzo, Nicholas S.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
514207, 540225, 540227, 540228, C07D50136, A61K 31545
Patent
active
049719629
ABSTRACT:
The present invention relates to novel cephalosporin compounds having high antimicrobial activity, which are shown by the formula(I), and to a process for preparing them ##STR1## wherein R.sup.1 is a hydrogen atom or an amino protecting group;
An Soon H.
Bang Chan S.
Kim Won S.
Kim Yong Z.
Lim Jong C.
Lucky Ltd.
Rizzo Nicholas S.
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