IUPAC:(2R)-3-[(2S,5R,6R,8S)-8-[(2R,3E)-4-[(2R,4'aR,5R,6'S,8'R,8'aS)-6'-[(1S,3S)-3-[(2S,3R,6R,11R)-3,11-dimethyl-1,7-dioxaspiro[5.5]undecan-2-yl]-1-hydroxybutyl]-8'-hydroxy-7'-methylidene-hexahydro-3'H-spiro[oxolane-2,2'-pyrano[3,2-b]pyran]-5-yl]but-3-en-2-yl]-5-hydroxy-10-methyl-1,7-dioxaspiro[5.5]undec-10-en-2-yl]-2-hydroxy-2-methylpropanoic acid
IUPAC:(2R)-3-[(2S,5R,6R,8S)-8-[(2R,3E)-4-[(2R,4'aR,5R,6'S,8'R,8'aS)-6'-[(1S,3S)-3-[(2S,3R,6R,11R)-3,11-dimethyl-1,7-dioxaspiro[5.5]undecan-2-yl]-1-hydroxybutyl]-8'-hydroxy-7'-methylidene-hexahydro-3'H-spiro[oxolane-2,2'-pyrano[3,2-b]pyran]-5-yl]but-3-en-2-yl]-5-hydroxy-10-methyl-1,7-dioxaspiro[5.5]undec-10-en-2-yl]-2-hydroxy-2-methylpropanoic acid