IUPAC: methyl (1R,2S,3R,6R,8R,13S,14R,15R,16S,17S)-3-{[(2E)-3,4-dimethylpent-2-enoyl]oxy}-15,16-dihydroxy-9,13-dimethyl-4,11-dioxo-10-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-5,18-dioxapentacyclo[12.5.0.0^{1,6}.0^{2,17}.0^{8,13}]nonadec-9-ene-17-carboxylate

SMILES: [H][C@]12[C@@H](OC(=O)\C=C(/C)C(C)C)C(=O)O[C@]3([H])C[C@@]4([H])C(C)=C(O[C@@H]5O[C@H](CO)[C@@H](O)[C@H](O)[C@H]5O)C(=O)C[C@]4(C)[C@@]4([H])[C@@H](O)[C@H](O)[C@]1(OC[C@@]234)C(=O)OC |t:21|