Potent 5-HT2B antagonist of Formula (A), including stereochemically isomeric forms, and salts, hydrates, solvates thereof and their use wherein R1 to R4 and Ar have the meaning as defined herein. The present invention also relates to processes for preparing said compounds, pharmaceutical compositions containing them, alone or in combination with other drugs, in fibrosis and/or cirrhosis prevention or therapy.
式(A)的强效5-HT2B拮抗剂,包括立体
化学异构体形式,及其盐类、
水合物、溶剂及其用途 其中R1至R4和Ar具有本文所定义的含义。本发明还涉及制备上述化合物的工艺、含有上述化合物的药物组合物,单独或与其他药物组合用于纤维化和/或肝硬化的预防或治疗。