Compounds of formula (I) and pharmaceutically acceptable salts thereof are disclosed, wherein R1 is hydrogen or C1-6alkyl; and R2 is fluoro or chloro. Methods of preparation and uses thereof in treatment of CNS disorders, such as depression or anxiety, are also disclosed.
公式(I)的化合物及其药用盐已被披露,其中R1是氢或C1-6烷基;R2是
氟或
氯。还披露了其制备方法以及在治疗中枢神经系统疾病,如抑郁症或焦虑症中的用途。