Synonyms: 2-Propenoic acid,3-phenyl-,(1S,3aR,4R,5R,5aR,7S,9S,9aR,10R,11S,11aR)-5,9,10,11-tetrakis(acetyloxy)-9a-[(benzoyloxy)methyl]tetradecahydro-11a-hydroxy-1,3a-dimethyl-6-methylene-13-oxo-1,4-ethanobenzo[5,6]cycloocta[1,2-c]furan-7-ylester, (2E)-