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  • allyl 2-O-acetyl-3,4,6-tri-O-benzoyl-α-D-mannopyranosyl-(1 ->-6)-3,4-di-O-benzoyl-2-O-chloroacetyl-α-D-mannopyranosyl-(1 -> 6)-2-O-acetyl-3-O-benzoyl-α-D-mannopyranoside

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