Showing structure for (2e,4e,6z,8z,10e,12e,14e,16e,18e)-1,20-bis[(1r,4r)-4-hydroxy-1,2,2-trimethylcyclopentyl]-4,8,13,17-tetramethylicosa-2,4,6,8,10,12,14,16,18-nonaene-1,20-dione