[[4-(2-azido-3-metyl-5-oxotetrahydrofuran-2-yl]fenyl]hydrazono]propandinitril för användning som referensämne vid anlysen av levosimendanbatch

摘要

A pyridazinyl derivative (I) and its use as a reference compound in the determination of potentially genotoxic impurities in levosimendan samples. An analytic method for the determination of potentially genotoxic impurities in levosimendan samples wherein (I) is used as a reference compound. Levosimendan is a medicament useful in the treatment of heart failure.