The present invention provide a compound of the formula:
wherein X and X′ are the same or different and each represents a hydrogen atom, etc.; R
1
and R
2
are the same or different and each represents a hydrogen atom, etc.; R
3
represents a hydrocarbon group optionally having substituents, etc.; R
4
represents a hydrogen atom, etc.; Y and Ya are the same or different and each represents a bond or a spacer having a main chain of 1 to 8 atoms; Z and Za are the same or different and each represents a hydrogen atom, etc.; or a salt thereof or a prodrug thereof, having a somatostatin receptor binding inhibitory activity and is useful for preventing and/or treating diseases associated with somatostatin.
本发明提供一种化合物,其式为:其中X和X′相同或不同,每个代表
氢原子等;R1和R2相同或不同,每个代表
氢原子等;R3表示一个烃基,可选地具有取代基等;R4表示
氢原子等;Y和Ya相同或不同,每个代表键或具有1至8个原子的主链的间隔物;Z和Za相同或不同,每个代表
氢原子等;或其盐或前药,具有
生长抑素受体结合抑制活性,并用于预防和/或治疗与
生长抑素相关的疾病。