Showing structure for (2z,6r)-6-[(2r,4as,4br,7s,8s,9ar)-8-(2-carboxyethyl)-9a-methoxy-4a,8-dimethyl-1-methylidene-7-(prop-1-en-2-yl)-3,4,4b,5,6,7-hexahydro-2h-fluoren-2-yl]-2-methylhept-2-enoic acid