Showing structure for methyl (2z)-4-[(1r,4r,6s,7s,8s,12s,13r,17s,18r,19s)-19-chloro-17,18-dihydroxy-7,8,13-trimethyl-14-oxo-5-oxapentacyclo[10.8.0.0²,⁹.0⁴,⁸.0¹³,¹⁸]icosa-2(9),15-dien-6-yl]-2,3-dimethylbut-2-enoate