25990-69-6 methyl (2R,3aR,4aS,5R,5aR,6R,9aR,10S,10aR)-5-(acetyloxy)-2-(furan-3-yl)-10-(2-methoxy-2-oxoethyl)-1,6,9a,10a-tetramethyl-9-oxo-3,3a,4a,5,5a,6,9,9a,10,10a-decahydro-2H-cyclopenta[b]naphtho[2,3-d]furan-6-carboxylate 408347-40-0 (3R,5aS,6R,8aS,9R,10R,12R,12aR)-3,6,9-Trimethyl-10-(trifluoromethyl)perhydro-3,12-epoxypyrano[4,3-j]-1,2-benzodioxepine