Showing structure for n-[6-(acetyloxy)-7-[1-(dimethylamino)ethyl]-15-hydroxy-4,8,17-trimethyl-19-oxapentacyclo[11.6.1.0³,¹¹.0⁴,⁸.0¹⁷,²⁰]icosa-10,13-dien-16-yl]benzenecarboximidic acid