Showing structure for (1r,2r,3r,4r,9r,10r,11r,14s)-2,10-bis(acetyloxy)-4,14,15,15-tetramethyl-8-methylidene-13-oxotetracyclo[9.3.1.0¹,⁹.0⁴,⁹]pentadec-6-en-3-yl acetate