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. (2001). IPC No. U.S.17.beta.-amino and hydroxylamino-11.beta.-arylsteroids and their derivatives having agonist or antagonist hormonal properties (Patent No. 6262042.)
Abstract
The invention is directed to a novel class of steroids which exhibit potent antiprogestational activity.