Song1, C., Huang2, L., Huang1, X., Huang1, R., Peng4, M., Le5, Z., … Fang1, N. (2013). Characterization of Protostane Triterpenoids in Dried Tuber of Alisma orientalis by Q-TOF Mass Spectrometry in Both Positive and Negative Modes. Asian Journal of Chemistry, 25(18), 10296–10304. https://doi.org/10.14233/ajchem.2013.15286