[7-Chloro-5-(2-fluorophenyl)-1,3-dihydro-2H-1,4-benzodiazepin-2-ylidene]propanedioic Acid Dimethyl Ester

This compound is a benzodiazepine derivative used as a pharmaceutical impurity reference standard, specifically for midazolam. It is characterized by a complex structure containing chlorine and fluorine atoms, along with ester and amine functional groups, making it a high-purity reference material for analytical testing.