17.beta.-acyl-17.alpha.-propynyl-11.beta.-(cyclic amino) aryl steroids and their derivatives having antagonist hormonal properties
Cook, C., Kepler, J., & O'Reilly, JM. (2004). 17.beta.-acyl-17.alpha.-propynyl-11.beta.-(cyclic amino) aryl steroids and their derivatives having antagonist hormonal properties. (U.S. Patent No. 6740645). http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=6740645
Abstract
The invention is directed to a novel class of 17.beta.-acyl-17.alpha.-propynyl steroids which exhibit potent antiprogestational activity.
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