Showing structure for (1r,4s,5r,8s,10s,13r,14r,20s)-10-hydroxy-4,5,9,9,13,20-hexamethyl-21-oxahexacyclo[18.2.2.0¹,¹⁸.0⁴,¹⁷.0⁵,¹⁴.0⁸,¹³]tetracos-17-en-22-one