Abbasi K, Khuhawar M, Mahar K, Mallah A, Nawaz Siyal A. Gas Chromatographic Determination of α-Keto Acids in Pharmaceutical Preparation Using 1,2-Propylenediamine as Derivatizing Reagent. ajc [Internet]. 2012 Oct. 8 [cited 2024 Nov. 23];25(3):1211-5. Available from: https://asianpubs.org/index.php/ajchem/article/view/25_3_7