Showing structure for (1r,2s,4r,5r,6r,7r,10s,11s,14s,16r)-5-hydroxy-7,11-dimethyl-6-(6-oxopyran-3-yl)-3-oxapentacyclo[8.8.0.0²,⁴.0²,⁷.0¹¹,¹⁶]octadecan-14-yl 1-methyl butanedioate