1. Chakravarty, A.K., Mukhopadhyay, S., Moitra, S.K., Das, B., 1994. (−)-Syringaresinol, a hepatoprotective agent and other consituents from Swertia chirata. Indian Journal of Chemistry 33B, 405–408.
2. Chang, C.E., 1993. Rutaceae in Flora of Taiwan. 2nd ed. Editorial Committee of the Flora of Taiwan, Taipei, Taiwan, pp. 541–543 (Vol. 111).
3. Studies on the chemical constituents of Zanthoxylum simulans Hance;Chang;Yaoxue Xuebao,1981
4. Chemical constituents and biological activities of the fruit of Zanthoxylum integrifoliolum;Chen;Journal of Natural Products,1999
5. Pyranoquinoline alkaloids from Zanthoxylum simulans;Chen;Phytochemistry,1997