| 摘要 |
The object of the present invention is to provide ethylamine derivatives that function as a motilin receptor antagonist and that are useful as medicines.The invention provides compounds represented by the general formula (1):whereinR1 represents a phenyl group or the like, R2 represents a hydrogen atom and the like, R3 represents a hydrogen atom and the like, R4 represents a hydrogen atom and the like, R5 represents an alkyl group and the like, R7 represents a hydrogen atom and the like and R8 represents a heterocyclic ring and the like; or a hydrate or pharmaceutically acceptable salt thereof and a medicine which comprises the above compound or a hydrate or pharmaceutically acceptable salt thereof as an active ingredient.
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