IUPAC: (1'R,2R,2'S,4'S,5R,7'S,8'R,9'S,12'S,13'S,16'S,18'S)-16'-{[(2R,3R,4R,5R,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}oxan-2-yl]oxy}-5,7',9',13'-tetramethyl-5'-oxaspiro[oxane-2,6'-pentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosan]-10'-one

SMILES: [H][C@]12C[C@@]3([H])[C@]4([H])CC[C@@]5([H])C[C@H](CC[C@]5(C)[C@@]4([H])CC(=O)[C@]3(C)[C@@]1([H])[C@H](C)[C@@]1(CC[C@@H](C)CO1)O2)O[C@@H]1O[C@H](CO)[C@H](O[C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)[C@H](O)[C@H]1O