33880-66-9 8-Hydroxy-6-(hydroxymethyl)-10-methyl-3-methylene-2-oxo-2,3,3a,4,5,8,9,11a-octahydrocyclodeca[b]furan-4-yl (2E)-2-methylbut-2-enoate AIDS-014894 AIDS014894 B633439K049 Eriofertin NSC283440