Rabdoserrin A is a diterpenoid. Rabdoserrin A has antifungal activity[1][2].
References
[1] Gui-Lian Liu, et al. Two new abietane diterpenoids from the leaves of Rabdosia serra. J Asian Nat Prod Res. 2020 Jan;22(1):47-51. DOI:10.1080/10286020.2018.1539081 [2] Jiao Mingqing, et al. Antifungal activity and active ingredients of Rabdosia nervosa. Acta Phytophylacica Sinica 2010 Vol.37 No.1 pp.67-72 ref.18