124182-85-0 3,8b-Methano-8bH-cyclobuta[h]-1-benzopyran-5(7H)-one,2,3,4,4a,8,8a-hexahydro-9-hydroxy-3,6,8a-trimethyl-, (3a,4aa,8aa,8ba,9R*)-(-)- 162558-88-5 2-Butenoicacid, 2-methyl-,7-(acetyloxy)-3',4,4',5',6,6',7,8-octahydro-3'-hydroxy-6',7-dimethyl-6,8-dioxospiro[3H-2-benzopyran-3,2'-[2H]pyran]-4-ylester, [3R-[3a(3'R*,6'S*),4b(E),7b]]-