Showing structure for (1's,2'r,7'r,9'r,11'r)-2'-({[(2e)-5-hydroxy-3-methylpent-2-enoyl]oxy}methyl)-1',5'-dimethyl-8'-oxaspiro[oxirane-2,12'-tricyclo[7.2.1.0²,⁷]dodecan]-5'-en-11'-yl (2z,4e,6s,7r)-6,7-dihydroxyocta-2,4-dienoate