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