Guajadials C-F, four unusual meroterpenoids from <i>Psidium guajava</i>

Yuan GAO, Gen-Tao LI, Yan LI, Ping HAI, Fei WANG, Ji-Kai LIU

Natural Products and Bioprospecting . 2013, (1): 14 -19 . DOI: 10.1007/s13659-012-0102-4