Showing structure for (1s,3r,4r,7r,8s,11r,12r,15s,16s,18r,19r,24r,25s,27s)-1,7,12,18,19-pentahydroxy-7,8,24,27-tetramethyl-2,5,9-trioxaheptacyclo[13.11.1.0³,¹¹.0⁴,⁸.0¹²,²⁷.0¹⁶,²⁵.0¹⁹,²⁴]heptacos-21-ene-6,23-dione