6750-25-0 Cyclodeca[b]furan-2(3H)-one, 3a,4,5,8,9,11a-hexahydro-4-hydroxy-6,10-dimethyl-3-methylene-, [3aR-(3aR*,4R*,6E,10E,11aR*)]- Eupatolide Euptatolide Germacra-1(10),4,11(13)-trien-12-oic acid, 6.alpha.,8-dihydroxy-, 12,6-lactone NSC152861