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