Showing structure for (5z)-2-[(2r,3r,3ar,6s,7s,9br)-6-(2-carboxyethyl)-2-hydroxy-3a,6,9b-trimethyl-7-(prop-1-en-2-yl)-1h,2h,3h,4h,7h,8h-cyclopenta[a]naphthalen-3-yl]-7-hydroxy-6-methylhept-5-enoic acid