140222-29-3 2-(Trimethylsilyl)ethyl O-(2,3-di-O-benzylxylopyranosyl)(1-4)-O-(2,3-di-O-benzoylxylopyranosyl)-(1-4)-O-(2,3-di-O-benzylxylopyranosyl)-(1-4)-2,3-di-O-benzoylxylopyranoside Xylotetraose derivative beta-D-Xylopyranoside, 2-(trimethylsilyl)ethyl O-2,3-bis-O-(phenylmethyl)-beta-D-xylopyranosyl-(1-4)-O-2,3-di-O-benzoyl-beta-D-xylopyranosyl-(1-4)-O-2,3-bis-O-(phenylmethyl)-beta-D-xylopyranosyl-(1-4)-