supplementary material is available for this article at 10.1007/s13659 - 012 - 0009 - 0 and is accessible for authorized users .
a new -tetralonyl glucoside , 6-o - acetyl - juglanoside e ( 1 ) , and a new dihydrophaseic acid glucoside , dihydrophaseic acid 1-o-(6-o - acetyl)-glucopyranoside ( 2 ) , together with two known ones , juglanoside e ( 3 ) and dihydrophaseic acid ( 4 ) , were isolated from the pellicle of the walnut ( juglans regia ) . 
 the structures of the new compounds were elucidated by comprehensive spectroscopic analysis , including ir , hresims , 1d and 2d nmr data . 
 electronic supplementary materialsupplementary material is available for this article at 10.1007/s13659 - 012 - 0009 - 0 and is accessible for authorized users .