Showing structure for (1r,4s,7s,9s,10s,13r,15s)-7-{[(2r,3r,4s,5s,6r)-4,5-dihydroxy-6-(hydroxymethyl)-3-{[(2z)-2-methylbut-2-enoyl]oxy}oxan-2-yl]oxy}-15-hydroxy-9-methyl-14-methylidenetetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecane-5,5-dicarboxylic acid