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