67362-64-5 (6aR,10aR)-7β-[2-(2,5-Dihydro-5-oxofuran-3-yl)ethyl]-3,5,6,6aβ,7,8,9,10-octahydro-7-methyl-3-oxonaphtho[1,8a-c]furan-8α-carbaldehyde 183381-06-8 2H-Pyran-2-acetic acid,tetrahydro-R-methylene-5-[(4E,8E,- 12E)-4,9,13,17-tetramethyl-4,8,12,16- octadecatetraenylidene]-,(2R,5Z)-