Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Patent
1991-07-12
1992-06-16
Lone, Werren B.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Cyclopentanohydrophenanthrene ring system doai
540 94, A61K 3158, C07J 1700
Patent
active
051225212
ABSTRACT:
A novel sterol compound having an antitumor activity is disclosed. The compound is prepared by extracting sponges of the genus Xestospongia with an organic solvent and purifying the extract by conventional methods.
REFERENCES:
patent: 2915433 (1959-12-01), Agnello et al.
patent: 2915435 (1959-12-01), Agnello et al.
patent: 3137712 (1964-06-01), Birkenmeyer et al.
Kestler Kimberly J.
Lone Werren B.
Taisho Pharmaceutical Co. Ltd.
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