http://farm4.static.flickr.com/3077/2453013359_1fa941cd0d.jpg?v=0
the systematic name of this compound is????
收錄日期: 2021-04-29 20:26:14
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080430000051KK00666