| abstract |
Wherein Y 1 and Y 2 are the same or different and each represents a hydrogen atom, halogen or lower alkyl, and Z and A are the same or different and each represents a substituted or unsubstituted aryl or a substituted or unsubstituted heteroaryl. ) The present invention is characterized in that, for example, an inorganic substance and / or a coloring agent is present in a solid preparation containing the diarylvinylene compound represented by the above formula (I) or a pharmacologically acceptable salt thereof. A method for stabilizing a diarylvinylene compound or a pharmacologically acceptable salt thereof in a preparation is provided. |