Provided are D2 or D3 antagonist compounds and pharmaceutical compositions of formula I and pharmaceutically acceptable salts thereof, or isomers thereof, wherein R1, R2 and R3 are as defined herein. The invention further comprises methods for making the compounds of the invention and methods for the treatment of conditions mediated by the dopamine D2 or D3 receptor from the compounds of the invention.
提供了D2或D3拮抗剂化合物以及公式I和其药学上可接受的盐或异构体的药物组合物,其中R1、R2和R3如本文所定义。该发明还包括制备该发明化合物的方法以及利用该发明化合物治疗由
多巴胺D2或D3受体介导的疾病的方法。