Minh, C.V., Cuong, N.X., Thanh, N.V., Huong, H.T. and Kiem, P.V. 2014. Highly oxygenated sterols from the starfish Archaster typicus. Vietnam Journal of Chemistry. 45, 3 (Sep. 2014), 377. DOI:https://doi.org/10.15625/4772.