摘要 |
In one embodiment, compounds of the following structure are described, wherein R1to R7are described herein. Also provided are methods for preparing these compounds and methods of contraception; treating or preventing fibroids; treating or preventing uterine leiomyomata; treating or preventing endometriosis, dysfunctional bleeding, and polycystic ovary syndrome; treating or preventing hormone-dependent carcinomas; providing hormone replacement therapy; stimulating food intake; synchronizing estrus; and treating cycle-related symptoms using the compounds described herein.
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