Showing structure for methyl (1s,3s,4s,4as,9ar)-1,4,8,9a-tetrahydroxy-3-methyl-9-oxo-7-[(1r,10s,11r,13r,14r)-7,10,14-trihydroxy-13-methyl-9,15-dioxo-2,16-dioxatetracyclo[9.3.2.0¹,¹⁰.0³,⁸]hexadeca-3,5,7-trien-6-yl]-1,2,3,4-tetrahydroxanthene-4a-carboxylate