Hexahydroindenopyridine compounds having the following formulaand relative stereochemistry ##STR1## where R.sup.1 is C.sub.1-6alkyl, R.sup.2 is hydrogen or C.sub.1-6 alkyl and R.sup.3 iscarboxyl or a group which is metabolized to a carboxyl group undermammalian physiological conditions exhibit potent antispermatogenicactivity and are useful in a method of inhibiting spermatogenesisin mammals.
Hexahydroindenopyridine compounds having antispermatogenic activity
Cook, C., Lee, Y., Wani, M., Fail, P., & Jump, J. (1994). Hexahydroindenopyridine compounds having antispermatogenic activity. (U.S. Patent No. 5319084). http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=5319084