Showing structure for 12-[(2r,3r,4s,5s)-3,4-dihydroxy-5-[(1s)-1-hydroxyethyl]oxolan-2-yl]-5-ethenyl-15-hydroxy-3,17-dimethoxy-9-oxatetracyclo[8.8.0.0²,⁷.0¹¹,¹⁶]octadeca-1(10),2(7),3,5,11(16),12,14,17-octaen-8-one