Discovery of procyanidin condensed tannins of (−)-epicatechin from Kratom, Mitragyna speciosa, as virucidal agents against SARS-CoV-21.

Synergistic cytotoxicity and apoptosis induced in human cholangiocarcinoma cell lines by a combined treatment with tumor necrosis factor-alpha (TNF-alpha) and triptolide. Panichakul T, Wanun T, Reutrakul V, Sirisinha S Asian Pac J Allergy Immunol20p167-73(2002 Sep) 

Synthesis of functionalized benzo[h]quinolines via base-catalyzed 1,4-addition/intramolecular annulation cascade Disadee W, Gleeson MP, Ruchirawat S Chem Asian J. 2025;e00587.