Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1983-08-23
1986-08-05
Gerstl, Robert
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
540227, A61K 31545, C07D50160
Patent
active
046043870
ABSTRACT:
Cephalosporin derivatives effective against gram-negative bacteria and virtually inactive against staphylococci are disclosed. The derivatives have the following general formula: ##STR1## in which R is ##STR2## R" and R"' are hydrogen, lower alkyl or together are 1,3-propylene or 1,4-butylene, and
REFERENCES:
patent: 4399131 (1983-08-01), Durckheimer et al.
Labeeuw Bernard
Sahli Ali
Ceperley Mary E.
Gerstl Robert
Sanofi
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