(1R,2R,4aR,8R)-8-hydroxy-2-(1-hydroxy-1-methylethyl)-4a,8-dimethyl-5-oxodecahydronaphthalen-1-yl rel-acetate 1(2H)-naphthalenone, 5-(acetyloxy)octahydro-4-hydroxy-6-(1-hydroxy-1-methylethyl)-4,8a-dimethyl-, (4R,5R,6R,8aR)- 6beta-Acetoxy-4alpha,11-dihydroxyeudesman-1-one Acetic acid 8-hydroxy-2-(1-hydroxy-1-methyl-ethyl)-4a,8-dimethyl-5-oxo-decahydro-naphthalen-1-yl ester InChI=1/C17H28O5/c1-10(18)22-13-11(15(2,3)20)6-8-16(4)12(19)7-9-17(5,21)14(13)16/h11,13-14,20-21H,6-9H2,1-5H3/t11-,13-,14?,16+,17-/m1/s