Tian, M., B. Tang, and K.H. Row. “Optimization Extraction of ET-743 from Sea Squirt by Response Surface Methodology and Preparative Chromatographic Separation”. Asian Journal of Chemistry 24, no. 2 (November 4, 2011): 756–760. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/8609.