Zaman, K. et al. 2016. Isolation of Two New Cheilanthane-Type Tricarbocyclic Sesterterpenoids from Leaves of Caesalpinia crista Linn.: A Traditionally Used Antimalarial Plant of Assam, India. Asian Journal of Chemistry. 29, 3 (Dec. 2016), 485–488. DOI:https://doi.org/10.14233/ajchem.2017.20201.