has role tertiary alcohol organic heteropentacyclic compound diterpene lactone kaurane diterpenoid anti-HIV agent tripterifordin (5beta,8alpha,13alpha)-16-hydroxy-18,20-epoxykauran-18-one 318.45040 A kaurane diterpenoid that is (5beta,8alpha,13alpha)-18,20-epoxykauran-18-one substituted by a hydroxy group at position 16. Isolated from the roots of Tripterygium wilfordii, it exhibits anti-HIV activity. C20H30O3 CAS:139122-81-9 CHEBI:66275 C[C@]1(O)C[C@]23C[C@H]1CC[C@@H]2[C@@]12CCC[C@@](C)([C@H]1CC3)C(=O)OC2 InChI=1S/C20H30O3/c1-17-7-3-8-20(12-23-16(17)21)14(17)6-9-19-10-13(4-5-15(19)20)18(2,22)11-19/h13-15,22H,3-12H2,1-2H3/t13-,14-,15+,17+,18+,19+,20-/m1/s1 KLMZPLYXGZZBCX-TYOHIEAGSA-N KNApSAcK:C00041947 Kauran-18-oic acid, 16,20-dihydroxy-, delta-lactone,(4alpha)- PMID:10579865 PMID:1602302 PMID:8328267 Reaxys:8587307 chebi_ontology hypodiolide A plant metabolite