IUPAC:(2R,3S,4S,5S,6S)-6-{5-ethenyl-15-hydroxy-3,17-dimethoxy-8-oxo-9-oxatetracyclo[8.8.0.0^{2,7}.0^{11,16}]octadeca-1(10),2(7),3,5,11(16),12,14,17-octaen-12-yl}-4,5-dihydroxy-2,4-dimethyloxan-3-yl acetate
IUPAC:(2R,3S,4S,5S,6S)-6-{5-ethenyl-15-hydroxy-3,17-dimethoxy-8-oxo-9-oxatetracyclo[8.8.0.0^{2,7}.0^{11,16}]octadeca-1(10),2(7),3,5,11(16),12,14,17-octaen-12-yl}-4,5-dihydroxy-2,4-dimethyloxan-3-yl acetate