composto, composição farmacêutica , e, uso de um composto ou um sal farmacologicamente aceitável do mesmo

摘要

An object of the present invention is to provide a novel low molecular weight compound exhibiting an osteogenesis-promoting action. This object is achieved by a compound having the general formula (I) or a pharmacologically acceptable salt thereof:
wherein each substituent is defined as follows: R 1 represents an alkyl group or the like; R 2 represents an alkyl group or the like; R 3 represents a hydrogen atom or the like; and Z represents -CH= or -N=.