Showing structure for (2s)-2-[(2s,3s,3as,6r,7r,9bs)-6-(3-ethoxy-3-oxopropyl)-2-hydroxy-3a,6,9b-trimethyl-7-(prop-1-en-2-yl)-1h,2h,3h,4h,7h,8h-cyclopenta[a]naphthalen-3-yl]-6-methyl-5-methylideneheptanoic acid