IUPAC: (2R,3R,4S,6S)-6-{[(2R,3R,4S,6S)-6-{[(2R,3R,4R,5R,6R)-6-{[(1R,2R,7S,9aR,11aS)-1-acetyl-2-{[(2R,3R,4S,5S,6R)-6-({[(2R,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}oxan-2-yl]oxy}methyl)-3,4,5-trihydroxyoxan-2-yl]oxy}-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-yl]oxy}-5-hydroxy-4-methoxy-2-methyloxan-3-yl]oxy}-4-methoxy-2-methyloxan-3-yl]oxy}-4-methoxy-2-methyloxan-3-yl 3-methylbut-2-enoate

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