He, Xuefeng, Ping Zhen, Xizhu Chen, Shuiyan Yang, Xiaotian Xie, and Weiping Liu. 2010. “Quantitative Determination of Anticancer Drug Heptaplatin by HPLC”. Asian Journal of Chemistry 22 (10):8174-78. https://asianpubs.org/index.php/ajchem/article/view/12091.