摘要 |
A compound of the formula: wherein R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3</SUP>, R<SUP>4</SUP>, R<SUP>5</SUP>, R<SUP>6</SUP>, X<SUP>1 </SUP>and X<SUP>2 </SUP>are as defined in the specification useful for the treatment of diseases in which action of the neurokinin 1 receptor is implicated, methods of using such compounds and pharmaceutical compositions comprising such compounds. |