IUPAC
[(7'S,9'E,11'S,12'R,13'S,14'R,15'R,16'R,17'S,18'S,19'E,21'Z)-2',15',17'-trihydroxy-11'-methoxy-3',7',12',14',16',18',22'-heptamethyl-4,6',23',29'-tetraoxospiro[1,3-dioxolane-2,27'-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(28),2,4,9,19,21,25-heptaene]-13'-yl] acetate Isomeric SMILES: C[C@H]1/C=C/C=C(\C(=O)NC2=CC3(C4=C(C2=O)C(=C(C5=C4C(=O)[C@](O5)(O/C=C/[C@@H]([C@H]([C@H]([C@@H]([C@@H]([C@@H]([C@H]1O)C)O)C)OC(=O)C)C)OC)C)C)O)OCC(=O)O3)/C