An object is to provide a medicament preparation which is excellent in the solubilization stability in relation to a compound represented by the general formula (1) during the storage in a low temperature region and a high temperature region. The present invention resides in a pharmaceutical composition comprising 1) the compound represented by the general formula (1) and/or a salt thereof and 2) a polyhydric alcohol derivative. General formula (1) (In the formula, R1, R2 independently represent hydrogen atom or halogen atom respectively, and at least one of R1, R2 is halogen atom.)低温、高温域での保存において、一般式（１）に表される化合物に対して可溶化安定性に優れる製剤を提供することを課題とする。本発明は、１）一般式（１）に表される化合物及び／又はその塩と、２）多価アルコール誘導体とを含有する、医薬組成物である。
