2-Propenoic acid, 2-methyl-, 2,3,3a,4,5,8,9,11a-octahydro-8-hydroxy-6-(hydroxymethyl)-10-methyl-3-methylene-2-oxocyclodeca(b)furan-4-yl ester, (3aR-(3aR*,4R*,6Z,8S*,10E,11aR*))- 65388-18-3 Eriofertopin NSC 283439