72253-65-7 2(5H)-Furanone,5-[2'-(3-furanyl)-4,4',5,5'-tetrahydro-5'-hydroxy-5,5-dimethylspiro[furan-2(3H),7'(3'H)-[2H,8aH-2a,8b]methanofuro[4,3,2-ij][2]benzopyran]-4-yl]-5-methyl-,[2'R-[2'a,2'aa,5'b,7'b[S*(S*)],8'aa,8'ba]]- 103994-17-8 3H-4,8a-Propano-1H-2-benzopyran-3-one,4-[2-(3-furanyl)-2-hydroxyethyl]-4,4a,5,6-tetrahydro-6,9-dihydroxy-8-(hydroxymethyl)-11-methyl-,[4R-[4a,4(S*),4aa,6a,8aa,9R*,11R*]]-