17.beta.-nitro-11.beta.-arylsteroids and their derivatives having agonist or antagonist hormonal properties
Citation
Cook, C., Kepler, J., Shetty, R. S., Bartley, G. S., & Lee, D. Y. (2000). IPC No. U.S.17.beta.-nitro-11.beta.-arylsteroids and their derivatives having agonist or antagonist hormonal properties (Patent No. 6093707.)
Abstract
The invention is directed to a novel class of steroids which exhibit potent antiprogestational activity.