Showing structure for (1r,3s,4s,5s,6r,10s,11s,12s,13r,17r,18s,19s,20r)-4,5,18,19,20-pentahydroxy-3-(hydroxymethyl)-11,12-bis(4-hydroxyphenyl)-2,8,15,21,22-pentaoxatetracyclo[15.3.1.1³,⁶.0¹⁰,¹³]docosane-9,14-dione