帮忙找个专利AT4002639? 给你找到了: improved procedure for the preparation of pure(s,s)-n-(1-ethoxycarbonyl-3-phenylprophyl)-alanin). in my patents list inventor: hackl kurt a dipl ing dr (at); schaller josef (at) applicant: chemie linz gmbh (at) ec: c07c227/42 ipc: c07c227/42; c07c227/00 publication info: at4002639b- 1996-11-15 同等专利 ep0789029 a2 - 1997-08-13 ep0789029 a3 - 1999-05-12 ep0789029 b1 - 2003-09-10 us5756812 [此贴子已经被作者于2008-5-6 14:24:27编辑过] 查看更多