"Simultaneous Separation and Identification of All Structural Isomers and Enantiomers of Aminobutyric Acid Using a Highly Sensitive Chiral Resolution Labeling Reagent" was published in Analytical Methods (2023).
https://doi.org/10.1248/cpb.c23-00439

The following products were used in this study.
* DL-Amino Acid Labeling Kit
* COSMOSIL PBr packed column