The present invention is an acid mixture of acid or physiologically acceptable amount that is sufficient to stabilize the solution active substance the following general formula (I), and dissolving the active substance and having a long shelf life, and to injectable solutions or injectable aqueous formulation containing an auxiliary agent of any additional suitable for parenteral use. In addition, the method of manufacturing the injectable solution is disclosed or injectable of the present invention. [Formula 1] (Wherein groups L, R 1, R 2, R 3, R 4, and R 5 have the meanings given in the specification and claims)本発明は長い貯蔵寿命を有し、かつ下記一般式(I)の活性物質、その活性物質を溶解し、かつ溶液を安定化するのに充分である量の生理学上許される酸又は酸混合物、及び非経口使用に適した付加的な任意の補助製剤化剤を含む水性の注入可能又は注射可能な溶液に関する。また、本発明の注入可能又は注射可能な溶液の製造方法が開示される。【化1】(式中、基L、R1、R2、R3、R4、及びR5は特許請求の範囲及び明細書に示された意味を有する)
