Pharmaceutical compositions containing as an active ingredient compounds of the general formula (I), prodrugs of the same, pharmaceutically acceptable salts of both, or solvates of them and exhibiting thrombopoietin receptor agonism:
wherein X1 is optionally substituted heteroaryl or the like; Y1 is -NRACO-(CH2)0-2- or the like (wherein RA is a hydrogen or the like); Z1 is optionally substituted arylene or the like; and A1 is a ring represeted by general formula (II) or (III):
含有通式(I)化合物、通式(I)化合物的原药、两者的药学上可接受的盐或它们的溶 液作为活性成分并具有血小板生成素受体激动作用的药物组合物:
其中 X1 是任选取代的杂芳基或类似物;Y1 是-NRACO-(
CH2)0-2-或类似物(其中 RA 是氢或类似物);Z1 是任选取代的芳烯或类似物;A1 是通式(II)或(III)表示的环: