Showing structure for (1r,2s,4s,5s,6s,7r,8r)-6-hydroxy-3,3,7,9-tetramethyl-5-{[(2s)-2-methylbutanoyl]oxy}-11-oxotricyclo[5.4.0.0²,⁸]undec-9-en-4-yl (2z)-2-methylbut-2-enoate