Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1980-12-19
1982-10-05
Rizzo, Nicholas S.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
544 27, 544 22, 544 28, C07D50136
Patent
active
043528015
ABSTRACT:
Cephem derivatives represented by the formula: ##STR1## wherein R.sub.1 represents a hydrogen atom or a hydroxyl group, R.sub.2 represents a lower alkyl group or a chloro-substituted lower alkyl group, and R.sub.3 represents a lower alkanoyloxy group or a nitrogen-containing heterocyclic thio group,
and the pharmaceutically acceptable salts thereof. The cephem derivatives exhibit excellent antibacterial activity and are effective against Gram-positive and Gram-negative bacteria.
REFERENCES:
patent: 4285941 (1981-08-01), Machida et al.
Ikuta Hironori
Machida Yoshimasa
Nakatsuka Kenro
Negi Shigeto
Nomoto Seiichiro
Eisai Co. Ltd.
Rizzo Nicholas S.
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