Showing structure for (12'z,18'z,20'z)-17'-(1-hydroxyethyl)-5',13',25'-trimethyl-2',10',16',23'-tetraoxaspiro[oxirane-2,26'-tetracyclo[22.2.1.0³,⁸.0⁸,²⁵]heptacosane]-4',12',18',20'-tetraene-11',22'-dione