Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1983-10-03
1985-12-17
Berch, Mark L.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
260239A, 2602393R, 2602454, 2603303, 2603309, 544182, 544215, 544279, 544335, 544336, 544359, 544327, 546187, 546208, 546256, 546275, C07D20508, C07D40312, C07D40112, A61K 31395
Patent
active
045593353
ABSTRACT:
Antibacterial activity is exhibited by 2-azetidinones having a 3-acylamino substituent and a 1-substituent of the formula ##STR1## (or a salt or ester thereof), wherein Z.sub.1 and Z.sub.2 are each independently oxygen or sulfur.
Barrack Donald J.
Berch Mark L.
E. R. Squibb & Sons Inc.
Levinson Lawrence S.
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