[1]Thu Tram, N.T. et al. 2016. Study on chemical constituents of the lichen Parmotrema sancti-angelii (Lynge) Hale. (Parmeliaceae). <i>Vietnam Journal of Chemistry</i>. 54, 4 (Aug. 2016), 524. DOI:https://doi.org/10.15625/0866-7144.2016-00359.