IUPAC: (2S,3R,4R,5R,6S)-2-{[(2R,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-2-[(1'R,2R,2'R,4'S,5R,7'S,8'S,9'S,12'S,13'R,16'S)-5,7',9',13'-tetramethyl-5'-oxaspiro[oxane-2,6'-pentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosan]-18'-ene-2',8'-dioloxy]oxan-3-yl]oxy}-6-methyloxane-3,4,5-triol
IUPAC: (2S,3R,4R,5R,6S)-2-{[(2R,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-2-[(1'R,2R,2'R,4'S,5R,7'S,8'S,9'S,12'S,13'R,16'S)-5,7',9',13'-tetramethyl-5'-oxaspiro[oxane-2,6'-pentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosan]-18'-ene-2',8'-dioloxy]oxan-3-yl]oxy}-6-methyloxane-3,4,5-triol