Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Radical -xh acid – or anhydride – acid halide or salt thereof...
Patent
1989-11-13
1991-05-07
Shippen, Michael L.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Radical -xh acid, or anhydride, acid halide or salt thereof...
562501, A61K 3119
Patent
active
050137581
ABSTRACT:
(5E)-13,14,18,18,19,19-hexadehydro-3-oxa-6a-carbaprostaglandin I.sub.2 derivatives of Formula I ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 are hydrogen or alkyl of 1-5 carbon atoms, and
REFERENCES:
patent: 4423067 (1983-12-01), Skuballa
Haberey Martin
Raduechel Bernd
Schillinger Ekkehard
Skuballa Werner
Stuerzebecher Claus-Steffen
Schering Aktiengesellschaft
Shippen Michael L.
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