(1S-(1alpha,4aalpha,5alpha,7aalpha))-1,4a,5,7a-Tetrahydro-5-hydroxy-7-(hydroxymethyl)cyclopenta(c)pyran-1-yl-beta-D-glucopyranoside 1,4a,5,7a-Tetrahydro-5-hydroxy-7-hydroxymethylcyclopenta(c)pyran-1-yl-beta-D-glucopyranoside 479-98-1 Aucubin EINECS 207-540-8 NSC 407293