3,17 .beta.-estriol diesters, methods of their use, and pharmace

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai

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2603975, C07J 0000, A61K 3156

Patent

active

046818758

ABSTRACT:
Estriol esters of Formula I ##STR1## wherein R, in each case, means the residue of a monocarboxylic acid of 2-10 carbon atoms.
The novel estriol esters surpass estriol in strength and duration of estrogen effect.

REFERENCES:
Chem. Abstracts (1970) vol. 72, No. 23 Par. 121768b, an abstract of a publication by Beslin et al., "Bull. Soc. Chim. Fir." 1970 (3) pp. 959-965.

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