IUPAC:(1S,3S,5Z,7R,8Z,11S,12S,13E,15S,17R,21R,23R,25S)-1,11,21,25-tetrahydroxy-17-[(1R)-1-hydroxyethyl]-5,13-bis(2-methoxy-2-oxoethylidene)-10,10,26,26-tetramethyl-19-oxo-18,27,28,29-tetraoxatetracyclo[21.3.1.1^{3,7}.1^{11,15}]nonacos-8-en-12-yl (2E,4E)-octa-2,4-dienoate
IUPAC:(1S,3S,5Z,7R,8Z,11S,12S,13E,15S,17R,21R,23R,25S)-1,11,21,25-tetrahydroxy-17-[(1R)-1-hydroxyethyl]-5,13-bis(2-methoxy-2-oxoethylidene)-10,10,26,26-tetramethyl-19-oxo-18,27,28,29-tetraoxatetracyclo[21.3.1.1^{3,7}.1^{11,15}]nonacos-8-en-12-yl (2E,4E)-octa-2,4-dienoate