答案解析

查看更多优质解析解答一举报http://baike.

baidu.

com/lemma-php/dispose/view.

php/15624.

htm所谓顺式是指高位基团在双键的同一侧http://chat.

pep.

com.

cn/lb5000/printpage.

cgi?forum=13&topic=657

更多推荐