Compounds derived from 7.9 - difluoro - 5H - f chromene-5 - 3.4 - quinoline of formula I,Selective progesterone receptor modulators; Pharmaceutical Composition and its use in the treatment of dysfunctional uterine Bleeding, dysmenorrhea, endometriosis,Leiomyomas (uterine fibroids), Heat, mood disorder, and others.