The present invention provides a compound of formula I or a pharmaceutically acceptable salt thereof;
and its therapeutic uses. The present invention further provides a combination of pharmacologically active agents and a pharmaceutical composition.
本发明提供了一种式I化合物或其药用可接受的盐;以及其治疗用途。本发明还提供了一种药理
活性剂的组合和药物组合物。