SILDENAFIL N-OXIDE AS PRODRUG
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United States of America Patent
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Issued Date -
Jan 1, 2009
app pub date -
Jun 23, 2008
filing date -
Jun 26, 2007
priority date (Note) -
Abandoned
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Abstract
Embodiments of the present invention relate to a compound of formula (1.sup.A) ##STR00001## or a pharmacologically acceptable salt, hydrate, or solvate thereof. Other embodiments of the present invention relate to a pharmaceutical composition containing this compound, to methods for preparing this compound, and to methods for preparing compositions containing this compound. Yet other embodiments of the invention relate to uses of this compound, and compositions containing it, for the manufacture of medicaments and pharmaceutical compositions for treating erectile dysfunction or pulmonary arterial hypertension.
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