IUPAC: [(2R,3S,4S,5R,6S)-6-{[(2R,3R,4S,5S,6R)-2-{[(1S,3aR,3bR,5aR,7S,9aR,9bR,11R,11aR)-11-hydroxy-3a,3b,6,6,9a-pentamethyl-1-[(2S)-6-methyl-2-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-({[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}methyl)oxan-2-yl]oxy}hept-5-en-2-yl]-hexadecahydro-1H-cyclopenta[a]phenanthren-7-yl]oxy}-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]oxy}-3,4,5-trihydroxyoxan-2-yl]methyl (2E)-but-2-enoate

SMILES: [H][C@@]1(CC[C@]2(C)[C@]1([H])[C@H](O)C[C@]1([H])[C@@]3(C)CC[C@H](O[C@@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O[C@@H]4O[C@H](COC(=O)\C=C\C)[C@@H](O)[C@H](O)[C@H]4O)C(C)(C)[C@]3([H])CC[C@@]21C)[C@](C)(CCC=C(C)C)O[C@@H]1O[C@H](CO[C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)[C@@H](O)[C@H](O)[C@H]1O