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, X and Y are defined in the description), a tautomer, prodrug or pharmaceutically acceptable salt of the compound or a solvate thereof.
提供了一种有效预防、治疗或改善通过激活血小板生成素受体有效的疾病的化合物。化合物由式(I)所表示(其中R1、R2、R3、L1、
L2、X和Y在说明中定义),该化合物的互变异构体、前药或药学上可接受的盐或其溶剂化合物。