Chemical Formula: C56H90O28S

[5-({4-[(5-{[4,5-dihydroxy-6-(hydroxymethyl)-3-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]oxan-2-yl]oxy}-4-hydroxy-3-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]oxan-2-yl)oxy]-3,5-dihydroxy-6-methyloxan-2-yl}oxy)-1-(2-hydroxy-6-methyl-4-oxohept-5-en-2-yl)-9a,11a-dimethyl-1h,2h,3h,3ah,3bh,4h,5h,5ah,6h,7h,8h,9h,11h-cyclopenta[a]phenanthren-7-yl]oxidanesulfonic acid