Psiguadial D is a terpenoid that can be isolated from Psidium guajava, and it has a strong inhibitory effect on the growth of HepG2 cells, with an IC50value of 128.3 nM[1].
References
[1] Meng Shao, et al. Guadial A and psiguadials C and D, three unusual meroterpenoids from Psidium guajava. Org Lett. 2012 Oct 19;14(20):5262-5. DOI:10.1021/ol302423b
