a sensitive radioimmunoassay ( ria ) capable of measuring either lisinopril ( 1- [ n2- [ ( s ) -1-carboxy-3-phenylpropyl ] -l-lysyl ] -l-proline ) or enalaprilat ( 1- [ n- [ ( s ) -1-carboxy-3-phenylpropyl ] -l-alanyl ] -l-proline ) , the active metabolite of enalapril has been developed .
C0014027
enalaprilat
C0014025
enalapril