2(5H)-furanone, 4-[2-[(1S,3aS,4R,6aS,7R,8S,10aS)-decahydro-3a,4-dihydroxy-1-methoxy-7,8-dimethyl-1H-naphtho[1,8a-c]furan-7-yl]ethyl]- InChI=1/C21H32O6/c1-13-6-9-20-15(19(13,2)8-7-14-10-17(23)26-11-14)4-5-16(22)21(20,24)12-27-18(20)25-3/h10,13,15-16,18,22,24H,4-9,11-12H2,1-3H3/t13-,15-,16+,18-,19+,20+,21-/m0/s rel-4-{2-[(1R,3aR,4S,6aR,7S,8R,10aR)-3a,4-dihydroxy-1-methoxy-7,8-dimethyldecahydronaphtho[1,8a-c]furan-7-yl]ethyl}furan-2(5H)-one