(phenylseleno) 2,3,4-tri-O-benzyl-5-benzylseleno-D-xylit-1-yl formate

1,5-anhydro-2,3,4-tri-O-acetyl-5-seleno-D-xylitol

2,3,4-tri-O-benzyl-D-xylose diethyl dithioacetal

2,3,4-tri-O-benzyl-5-benzylseleno-5-deoxyxylose

2,3,4-tri-O-benzyl-5-O-methanesulfonyl-D-xylose diethyl dithioacetal