| 摘要 |
This invention relates to certain 5-HT4 receptor antagonist compounds represented by Formula (I), wherein Z is represented by formula (A) or (B), wherein R1, R2, R3, R4 and R5 and the other substituents are as defined in t he specification; and the individual isomers, racemic or non-racemic mixtures o f isomers, and pharmaceutically acceptable salts or hydrates thereof. The invention further relates to pharmaceutical compositions containing such compounds and for their use as therapeutic agents.
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