| abstract |
As bicyclo-substituted pyrazolone-azo derivatives of the following formula (I), or pharmaceutically acceptable salts, hydrates or solvates thereof, methods for their preparation, pharmaceutical compositions comprising them, and pharmaceutical preparations, in particular Their use as thrombopoietin (TPO) mimetics and their use as agents of thrombopoietin receptors are described. The definition of the substituent of the following formula (I) is as defined in the detailed description. |