IUPAC: (1R,2S,3S,5S,8R,9S,10S)-3,9,10,18-tetrahydroxy-12,12-dimethyl-6-methylidene-17-oxapentacyclo[7.6.2.1^{5,8}.0^{1,11}.0^{2,8}]octadecan-7-one

SMILES: [H][C@@]12C[C@H](O)[C@]3([H])[C@@](C1O)(C(=O)C2=C)[C@]1(O)OC[C@]32CCCC(C)(C)C2[C@@H]1O