Kittakoop, Prasat. “Part 2: Occurrence of Racemic Natural Products and Their Biological Activities”. The Journal of Chulabhorn Royal Academy 2, no. 3 (June 24, 2020): 27–43. accessed September 18, 2026. https://he02.tci-thaijo.org/index.php/jcra/article/view/240787.