4- Halogenated steroids, preparation method and intermediates, application as medicines and pharmaceutical compositions containing same
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United States of America Patent
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May 29, 2001
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N/A
app pub date -
Nov 29, 1999
filing date -
Apr 9, 1997
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Abstract
A subject of the invention is the compounds of formula (I): ##STR1## in which X is a halogen atom, D represents the remainder of an optionally substituted pentagonal or hexagonal ring and optionally carrying an unsaturation, R.sub.1, R.sub.2, R.sub.3, R.sub.4, Y and n are as defined in the description, their preparation process and intermediates, their use as medicaments and the compositions containing them.
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