Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Parasitic organism or component thereof or substance...
Patent
1981-06-05
1983-07-26
Rizzo, Nicholas S.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Parasitic organism or component thereof or substance...
2602452R, A61K 31425, C07D49900
Patent
active
043954189
ABSTRACT:
Penem-3-carboxylic acid derivatives of formula (I): ##STR1## (wherein: R.sup.1 represents a hydrogen atom, an alkyl group, an alkoxy group, a hydroxyalkyl group, an acyloxyalkyl group, an alkylsulphonyloxyalkyl group, an arylsulphonyloxyalkyl group or a trialkylsilyloxyalkyl group;
REFERENCES:
patent: 4168314 (1979-09-01), Christensen et al.
patent: 4347183 (1982-08-01), Afonso et al.
Hayashi Teruo
Ohki Eiji
Oida Sadao
Sugawara Shinichi
Yoshida Akira
Rizzo Nicholas S.
Sankyo Company Limited
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