Ketorolac More Drug_side_effects Why Use Naproxen As Internal Standard In Ketorolac Injection Assay?

Why use naproxen as internal standard in ketorolac injection assay? - ketorolac more drug_side_effects

It is the ideal internal standard. Characterized by a stable isotope form of ketorolac would be better to Trial by LC / MS / MS. Without them, by hand, if the mixtures are so similar that the choice is logical.