SMILES: C[C@@H]1[C@@]23CC[C@H]4[C@]([C@@H]2C[C@H]([C@@]1(OC3)O)O)(CC[C@@]5([C@@]4(CC[C@@]6([C@H]5C[C@](CC6)(C)C(=O)O)C)C)C)C
Description: The molecule is a tricyclic diterpenoid having formula C30H48O5, originally isolated from the bark of Tripterygium wilfordii. It is a hexacyclic triterpenoid, a diol, a hydroxy monocarboxylic acid and a cyclic hemiketal. It derives from a hydride of a friedelane.