7-[(O-BETA-D-吡喃葡萄糖基-(1-4)-O-BETA-D-吡喃葡萄糖基-(1-4)-O-BETA-D-吡喃葡萄糖基-(1-4)-O-BETA-D-吡喃葡萄糖基-(1-4)-O-BETA-D-吡喃葡萄糖基-(1-4)-BETA-D-吡喃葡萄糖基)氧基]-4-甲基-2H-1-苯并吡喃-2-酮
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