17.beta.-amino and hydroxylamino-11.beta.-arylsteroids and their derivatives having agonist or antagonist hormonal properties
Citation
Cook, C., Kepler, J., Bartley, G. S., & Shetty, R. S. (2003). IPC No. U.S.17.beta.-amino and hydroxylamino-11.beta.-arylsteroids and their derivatives having agonist or antagonist hormonal properties (Patent No. 6620801.)
Abstract
The invention is directed to a novel class of steroids which exhibit potent antiprogestational activity.