To, D. C.; Tran, M. H.; Nguyen, P. H.; Ai Nhung, N. T.; Nguyen, T. T. T. Arginase II Inhibitory Activity of Phenolic Compounds from Caesalpinia Sappan L.: Http: www.doi.org 10.26538 Tjnpr V7i4.12. TJNPR 2023, 7, 2744-2748.