Home Publications Sudto, K.; Saparpakorn, P.; Tancharoen, C.; Phromyothin, D.; Techasakul, S.; Khunnawutmanotham, N.; Vajrodaya, S.; Ge, H.-M.; Tan, R.X.; Hannongbua, S. Diptoindonesin D, a Potent Antibacterial Activity against Gram-Positive Bacteria, an Inhibitor of Penicillin-Binding Protein 2a from the Stem Bark of Shorea roxburghii G.Don. Chiang Mai J. Sci. 2019, 46, 1161–1175.