| 摘要 |
<p>Disclosed are compounds of formula (I), wherein R is OR' and R' is aryl-lower alkyl, biaryl-lower alkyl, lower alkyl or cycloalkyl-lower alkyl; or R is arylsulfonylamido; n is 1, 2 or 3; m is 1, 2 or 3; Y is vinylene, ethylene or methyleneoxy; or a stereoisomer or optical isomer thereof; or a pharmaceutically acceptable ester thereof; or a pharmaceutically acceptable salt thereof; a process for the manufacture, pharmaceutical compositions, and the use of the compounds of the present invention.</p> |
