Showing structure for 2,13-bis(acetyloxy)-7-chloro-12-hydroxy-1,11,15-trimethyl-6-methylidene-10-oxo-4,9,18-trioxapentacyclo[12.5.0.0³,⁵.0⁸,¹².0¹⁷,¹⁹]nonadecan-16-yl acetate