20/1/2021 · HPLC system (Waters) with detector module and Hypersil SAX column (5 μm, 4.6 mm × 25 cm) 250- and 500-ml centrifuge bottles Add 50 ml 3% TCA in DCM and cover the neck with a rubber septum. 3. Stir on a magnetic stir plate for 2 hr at room All