推 fancheok:THX~~! 04/08 19:12
推 zankuro:水啦! 04/08 22:46
推 cidking:推 04/08 22:55
推 Richard77523:這篇水了 04/08 23:14
維基百科真好用～
舉手之勞貼網址過來囉
http://en.wikipedia.org/wiki/Acetanilide
http://en.wikipedia.org/wiki/Benzoic_acid
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