(1alpha,2alpha,8beta,9beta)-1,8-bis(acetyloxy)-2,9-bis(benzoyloxy)-14-hydroxy-beta-dihydroagarofuran
(1alpha,2alpha,8beta,9beta)-1,8-bis(acetyloxy)-2,9-bis(benzoyloxy)-14-hydroxy-beta-dihydroagarofuran