属于两性生物碱的是（） ["可待因","吗啡","莨菪碱","东莨菪碱","伪麻黄碱"]
使生物碱碱性增加的给电子基团是（） ["烷基","羟基","羰基","醚基","苯基"]
用离子交换树脂法提取总生物碱，所选用的树脂类型应该是（） ["A.大孔吸附树脂","B.弱酸型阳离子交换树脂","C.强酸型阳离子交换树脂","D.弱碱型阴离子交换树脂","E.强碱型阴离子交换树脂"]
可利用其草酸盐在水中溶解度小进行分离的是（） ["麻黄碱","番木鳖碱","奎宁","奎尼丁","金鸡宁丁"]
由氨基酸途径衍变而成的化合物类型是（） ["糖类","脂肪有机酸类","黄酮类","生物碱类","萜类"]
骨折注意事项
