命名 有它的理化性能吗? 以下是引用 gentleseven 在2008-3-20 22:52:00的发言: what do you mean properties? are nmr data, ms data not properties, solubility and melting point are just an old fashion to compare pure and impure or totally different type of compounds, but these have got nothing to do with its structure. solubility, melting point , boling point , ir data ,nmr data 查看更多