摘要 |
The present invention relates compounds of formula (I), wherein ring A is a phenyl or pyridyl ring; X represents a linker selected from the group consisting of formulae: (a), (b), (c), (d), and (e); and R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3</SUP>, R<SUP>4</SUP>, R<SUP>5</SUP>, R<SUP>6</SUP>, R<SUP>7</SUP>, R<SUP>13</SUP>, R<SUP>14</SUP>, R<SUP>15</SUP>, R<SUP>16</SUP>, R<SUP>17</SUP>, R<SUP>21a </SUP>and R<SUP>21b </SUP>are as defined herein. The compounds are of particular use in the treatment or prevention of depression, anxiety, pain, inflammation, migraine, emesis or postherpetic neuralgia. |