这些化合物能溶于水，并含有游离的半缩醛羟基，所以在碱溶液中能还原银离子和铜离子。
These compounds are soluble in water, and contains the hemiacetal hydroxyl free, so in alkaline solution can reduce silver ions and copper ions.
这些化合物能溶于水，并含有游离的半缩醛羟基，所以在碱溶液中能还原银离子和铜离子。
These compounds are soluble in water, and contains the hemiacetal hydroxyl free, so in alkaline solution can reduce silver ions and copper ions.
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