172889-70-2 | Butanoic acid,(1R,3aS,4E,6Z,8S,8aR,9S,11R,12S,12aS,13S,13aS)-8,9,12,13-tetrakis(acetyloxy)-5-[(acetyloxy)methyl]-1,2,3a,8,8a,9,10,11,12,12a,13,13a-dodecahydro-13a-hydroxy-1,8a,12-trimethyl-2-oxobenzo[4,5]cyclodeca[1,2-b]furan-11-ylester (9CI) | C34H46 O15 |