2-Butaenoic acid, 4-hydroxy-2-(hydroxymethyl)-, (3aR,4R,6E,10E,11aR)-2,3,3a,4,5,8,9,11a-octahydro-8,10-dimethyl-3-methylene-2-oxocyclodeca(b)furan-4-yl ester, (2E)- 6856-01-5 Eupatoriopicrin Eupatoriopicrine Germacra-1(10),4,11(13)-trien-12-oic acid, 6-beta,8-alpha-dihydroxy-, 12,6-lactone, 4-hydroxy-2-(hydroxymethyl)crotonate NSC 295427