Showing structure for methyl (1r,3r,4r,7s,8s,11r,12s,13s,15s,16s,18r)-13-hydroxy-3,7,12-trimethyl-4-[(2r)-6-methyl-5-methylideneheptan-2-yl]-19-oxahexacyclo[13.3.1.0³,⁷.0⁸,¹⁸.0¹¹,¹⁶.0¹⁶,¹⁸]nonadecane-12-carboxylate