碘化铋钾与生物碱形成的沉淀的颜色是() ["紫色","橘红色","蓝色","黑色","黄色"]
生物碱碱性大小的表示方法多用什么表示() ["Ka","Kb","pKa","pKb","H"]
生物碱分子中氮原子杂化方式与碱性大小的关系是() ["sp1>sp2>sp3","sp1>sp3>sp2","sp2>sp1>sp3","sp3>sp2>sp1","sp3>sp1>sp2"]
其盐酸盐在冷水中溶解度小的是() ["小檗碱","麻黄碱","伪麻黄碱","东莨菪碱","茛菪碱"]
下列生物碱的中药酸水提取液,用氯仿萃取,可萃取出的生物碱是() ["苦参碱","氧化苦参碱","秋水仙碱","伪麻黄碱","莨菪碱"]
临床死亡复苏的时机