| 摘要 |
<p>Compounds of formula (I) wherein R<SUB>1</SUB>, R<SUB>2</SUB>, R<SUB>3</SUB>, R<SUB>3a</SUB>, R<SUB>3b</SUB>, R<SUB>4</SUB>, and R<SUB>5 </SUB>are defined in the description, are useful in treating conditions or disorders prevented by or ameliorated by histamine-3 receptor ligands. Also disclosed are pharmaceutical compositions comprising the histamine-3 receptor ligands, methods for using such compounds and compositions, and a process for preparing compounds within the scope of formula (I).</p> |
