《中国药典》(2015年版)肾上腺素采用的鉴别方法有
A. 重氮化一偶合反应
B. 与三氯化铁反应
C. 制备衍生物测熔点
D. 与过氧化氢反应
E. 氯化物反应
查看答案
肾上腺素和盐酸去氧肾上腺素中检查的特殊杂质是
A. 水杨酸
B. 间氨基酚
C. 对氨基酚
D. 酮体
E. 生育酚
What does Hilarie say about the kids?
A. She says they are going out of the school.
B. She says they come from other classes.
What does Bradley mean by saying "It's taken me so long"?
A. He works so hard on it for long.
B. He lives away from school.
What does Mrs. Cohen mean here?
A. Brad should do things step by step.
Brad should finish his plan once for all.