130223-15-3

2-Butenoicacid, 2-methyl-,dodecahydro-4,5,9-trihydroxy-6,9a-dimethyl-3-methylene-2-oxoazuleno[4,5-b]furan-7-ylester, [3aR-[3aa,4a,5b,6a,6aa,7a(Z),9a,9ab,9ba]]-