31.
    发明专利
    未知

    公开(公告)号:DK67782A

    公开(公告)日:1982-08-18

    申请号:DK67782

    申请日:1982-02-16

    Inventor: ANGEHRN P REINER R

    Abstract: There is provided cephalosporin derivatives of the formula I in which R1 is carboxy-lower alkyl and R2 is hydrogen, a cation or (with the oxygen atom) a readily hydrolyzable ether group, as well as readily hydrolyzable esters and salts of these compounds and hydrates of the compounds of formula I and of their esters and salts. Also provided are methods for their manufacture and pharmaceutical preparations containing the compounds of formula I.

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