156979-60-1

3,13-Ethano-1H,11H-benzofuro[4,5-g]furo[3,4-d][1]benzopyran-3(3aH)-carboxylicacid,4-(acetyloxy)-4,5,6a,7,7a,8,12b,13-octahydro-14,15-dihydroxy-8,12b-dimethyl-5,11-dioxo-,methyl ester, [3S-(3a,3aa,4a,6aa,7ab,8b,12ba,13a,13aS*,14S*,15R*)]-