| 摘要 |
The present invention provides compounds of the Formula I: wherein R<SUP>1 </SUP>is alkyl, cycloalkyl, cycloalkylalkyl, or -CH<SUB>2</SUB>-alkenyl, X<SUP>1 </SUP>is O, NH, N(alkyl), S or -C(-O), Z is N or CH; and R<SUP>2 </SUP>and R<SUP>3 </SUP>are as defined herein, pharmaceutical compositions comprising same, and methods for their use.
|
