Compounds effective for preventing, treatment or improving diseases against which activation of the thrombopoietin receptor is effective are provided.
A compound represented by the formula (I) (wherein R1, R2, R3, L1, L2, L3, X and Y are defined in the description), a tautomer, prodrug or pharmaceutically acceptable salt of the compound or a solvate thereof.
提供了一些有效预防、治疗或改善激活血小板生成素受体有效的疾病的化合物。其中一种化合物的表示式为(I)(其中R1、R2、R3、L1、
L2、L3、X和Y的定义在说明书中),其互变异构体、前药或药学上可接受的盐或其溶剂化物。