Composition #4: Liu, Quan-Yu., Wang, Fei., Zhang, Lei., Xie, Jie-Ming., Li, Peng., Zhang, Yong-Hong. A Hydroxylated Lupeol-Based Triterpenoid Ester Isolated from the Scurrula parasitica Parasitic on Nerium indicum . helvetica chimica acta, 2015, vol. 98, no. 5, p. 627–632. DOI: 10.1002/hlca.201400254.
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