HYDRAZIDE COMPOUND AND THROMBOPOIETIN RECEPTOR ACTIVATOR

摘要

It is intended to provide a compound which is effective in the prevention, treatment or improvement of a disease in which a thrombopoietin receptor activation action is effective. A compound represented by the formula (I) (wherein, R¹, R², R³, L¹, L², X and Y are defined in the description), an interchangeable isomer thereof, a prodrug thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.