Compounds of formula I or II are provided, wherein R.sub.1-R.sub.8 are defined herein, and pharmaceutical compositions and kits containing these compounds. Also provided are methods of inducing contraception, providing hormone replacement therapy, treating cycle-related symptoms, or treating or preventing benign or malignant neoplastic disease using the compounds of formula I, formula II, or formula III, wherein R.sub.1-R.sub.9 are defined herein: ##STR00001##


< Monolithic integrated circuit with a printhead interface

> Method, system and device for treating disorders of the pelvic floor by electrical stimulation of the sacral and/or pudendal nerves

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