IUPAC:(1'S,2S,2'R,7'R,9'R,11'R)-2'-(hydroxymethyl)-1',5'-dimethyl-8'-oxaspiro[oxirane-2,12'-tricyclo[7.2.1.0^{2,7}]dodecan]-5'-en-11'-yl (2Z,4E,6R,7R)-7-hydroxy-6-[2-(5-oxo-2,5-dihydrofuran-3-yl)ethoxy]octa-2,4-dienoate
IUPAC:(1'S,2S,2'R,7'R,9'R,11'R)-2'-(hydroxymethyl)-1',5'-dimethyl-8'-oxaspiro[oxirane-2,12'-tricyclo[7.2.1.0^{2,7}]dodecan]-5'-en-11'-yl (2Z,4E,6R,7R)-7-hydroxy-6-[2-(5-oxo-2,5-dihydrofuran-3-yl)ethoxy]octa-2,4-dienoate