XIE, YUEQIN, XIANGYANG YAN, HONGWU TONG, and SHAOMIN LIU. 2010. “Synthesis of 2,3,7-Trihydroxy-9-(3,4,5-Trimethoxy)- Phenylflurone-3 and Its Application to Spectrofluorescence Quenching Determination of Microamounts of Molybdenum in Tobacco”. Asian Journal of Chemistry 19 (2):1017-22. https://asianpubs.org/index.php/ajchem/article/view/20152.