Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Virus or component thereof
Patent
1977-06-28
1978-12-12
Rosen, Sam
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Virus or component thereof
260403, 424199, 424212, A61K 3166, A61K 31685, C07F 902
Patent
active
041296508
ABSTRACT:
A compound of the formula ##STR1## (wherein R.sub.1 and R.sub.2 are each H or a fatty-acid residue, and R.sub.3 is ##STR2## and PG is a prostaglandin radical or optical isomer thereof) is found to have a substantially increased duration of effect, compared with the corresponding prostaglandin per se, and also a strong organ specificity.
REFERENCES:
patent: 3632627 (1972-01-01), Gordon et al.
patent: 3746728 (1973-07-01), Gordon et al.
Betzing Hans
Lekim Dac
A. Nattermann & Cie. GmbH
Flocks Karl W.
Rosen Sam
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