【多选题】【消耗次数：1】
属于氧苷的是
①
红景天苷
②
天麻苷
③
芦荟苷
④
苦杏仁苷
⑤
巴豆苷
参考答案：
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Ι型强心苷糖与苷元正确的连接方式是
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苷元C14-O-(α-羟基糖)X
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苷元C3-O-（6-去氧糖）X-（α-羟基糖）Y
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