[问答题,简答题] 胸部的体表标志

氰苷属于（） ["O苷","N苷","S苷","C苷","酚苷"] 用Smith氧化降解法裂解C苷可以得到（） ["脱水苷元","次生苷","原形苷元","带醛基的苷元","O苷"] 属于氰苷的化合物是（） ["苦杏仁苷","红景天苷","山慈菇苷","天麻苷","土大黄苷"] 聚酰胺分离黄酮类化合物时，洗脱能力最弱的洗脱剂是（） ["水","乙醇","丙酮","甲酰胺","二甲基甲酰胺"] 颈部 胸部的体表标志