Showing structure for (2r,3s,3as,5's,5as,7r,9ar,9bs)-2'-hydroxy-3-[(1e,3r)-3-hydroxybut-1-en-1-yl]-5'-[(1r)-1-hydroxyethyl]-7,9b-dimethyl-3,3a,5a,6,7,8,9,9a-octahydro-5'h-spiro[cyclopenta[a]naphthalene-2,3'-pyrrole]-1,4'-dione