Showing structure for (1r,4r,5r,6r,9r,11s,13s,22s)-9-(2-hydroxypropan-2-yl)-4,6,13,18,18-pentamethyl-10-oxahexacyclo[12.9.0.0¹,²².0⁴,¹³.0⁵,¹¹.0¹⁷,²²]tricosa-2,7,20-trien-19-one