Showing structure for (1r,4s,5s,8r,9r,12s,13s)-8-[(2r,4r)-4,6-dihydroxy-6-methyl-5-oxoheptan-2-yl]-5,9,17,17-tetramethyl-18-oxapentacyclo[10.5.2.0¹,¹³.0⁴,¹².0⁵,⁹]nonadec-2-en-16-one