多选,X型题:下列有关酚酮类化合物描述正确的是()A.一类变形单萜,碳架不符合异戊二烯定则B.酚羟基易甲基化,不易酰化C.酸性介于一般酚类和羧酸之间D.能

题目内容:
下列有关酚酮类化合物描述正确的是()
A.一类变形单萜,碳架不符合异戊二烯定则
B.酚羟基易甲基化,不易酰化
C.酸性介于一般酚类和羧酸之间
D.能与多种金属离子形成络合物,并显示不同颜色,可用于鉴别
E.分子中羰基类似于羧酸中羰基的性质,但不能和一般羰基试剂反应
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