Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Recombinant or stably-transformed bacterium encoding one or...
Patent
1976-01-22
1977-12-06
Myers, Jane S.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Recombinant or stably-transformed bacterium encoding one or...
560 6, 560194, A61K 3122, C07C 6934, C07C 6974
Patent
active
040617734
ABSTRACT:
The present invention provides new glycyrrhetinic acid derivatives of the general formula: ##STR1## wherein R is an alkylene or cycloalkylene radical and X represents an oxygen atom or two hydrogen atoms; and the non-toxic salts and esters thereof.
REFERENCES:
patent: 3452078 (1969-06-01), Turner et al.
Biorex Laboratories Limited
Myers Jane S.
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