【多选题】下列黄酮类化合物能溶于5%碳酸钠的有( )。
【多选题】下列黄酮类化合物能溶于 5 %碳酸钠的有( )。
【简答题】Dear friends, I am a wolf from the north. I live in the w 小题1: . And I am quite sad. I live in a family group with my parents. We are friendly t 小题2: each other and we look after each other. We can se...
【判断题】Frank is quite familiar with Susan so he goes directly to her.
【多选题】下列黄酮类化合物能溶于5%碳酸钠的有( )A.7,4'-二羟基黄酮 B.5-羟基黄酮 C.7-羟基黄酮D.4'-羟基黄酮 E.一般酚羟基黄酮
【简答题】Frank is not quite himself today.