Abstract
This study's main object was the determination of substances, by means of high-performance liquid chromatography (HPLC), that are related to enalapril maleate in medicinal tablets. The research was on products containing a 20 mg active principle with a 12-month Δt and on those batches near their expiration date with an enalapril maleate concentration of 10, 5, and 2.5 mg.