Somyote SutthivaiyakitParichart NareeboonNijsiri RuangrangsiSomsak RuchirawatSomchai PisutjaroenpongChulabhorn MahidolRamkhamhaeng UniversityChulalongkorn UniversityMahidol UniversityChulabhorn Research Institute2018-09-072018-09-072001-04-12Phytochemistry. Vol.56, No.8 (2001), 811-814003194222-s2.0-0035849130https://repository.li.mahidol.ac.th/handle/20.500.14594/26398From the chloroform extract of the leaves of Croton joufra, the diterpenes 2α,3α-dihydroxy-labda-8(17),12(13),14(15)-triene and 3β-hydroxy-19-O-acetyl-pimara-8(9),15-dien-7-one, were isolated. Their structures were establised by spectroscopic methods. One of the compounds showed weak lethality in the brine shrimp assay. © 2001 Elsevier Science Ltd.Mahidol UniversityAgricultural and Biological SciencesBiochemistry, Genetics and Molecular BiologyChemistryPharmacology, Toxicology and PharmaceuticsArticleSCOPUS10.1016/S0031-9422(00)00382-4