Showing structure for (16r,25r)-6,10,10-trimethyl-11,15,23-trioxahexacyclo[12.11.0.0³,¹².0⁴,⁹.0¹⁶,²⁵.0¹⁷,²²]pentacosa-1(14),2,4,6,8,12,17,19,21-nonaen-20-ol