The present invention relates to a class of compounds represented by the Formula I
1
or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of the Formula I, and methods of selectively inhibiting or antagonizing the &agr;
v
&bgr;
3
and/or &agr;
v
&bgr;
5
integrin.
本发明涉及一类由
化学式I1表示的化合物或其药用可接受的盐,包括化合物I的药物组合物,以及选择性抑制或拮抗αvβ3和/或αvβ5整合素的方法。