Development and Validation of an HPLC Method for Determination of the Accumulation Patterns of Coumarin and 2-Hydroxycinnamic Acid in Different Parts of Eupatorium Fortunei Turcz. During Growth Stages. - Zheng, Shaohua; Zhang, Lina; Nan, Guanjun; Yang, Guangde; Shi, Bowen (Journal of Chromatographic Science, 2026)