Chemical Formula: C61H98O31S

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