The invention relates to aqueous infusion or injection solutions that have along shelf life andcontain an active substance of general formula (I), wherein the radicals L,R1, R2, R3, R4, and R5have the meanings indicated in the claims and the description, an amount of aphysiologicallyacceptable acid or acid mixture which is sufficient to dissolve the activesubstance and stabilizethe solutions, and additional optional auxiliary formulation agents suitablefor parenteral use.Also disclosed is a method for producing the inventive infusion or injectionsolutions.
