The present invention provides compounds of the formula I, wherein X is a bond or CH
2
; Q is CH
2
or O; L is selected from the group consisting of —OCH
2
— and —CH
2
O—; or a pharmaceutically acceptable salt thereof. Compounds of the invention are autotaxin inhibitors.
本发明提供了公式I的化合物,其中X为键合或
CH2;Q为 或O;L从由—O —和— O—组成的群体中选择;或其药学上可接受的盐。本发明的化合物是自动税素
酯酶抑制剂。