发明人高志强,沈红梅,王建平. "Method for the Synthesis of (S)-2-Amino-3-((7-nitrobenzo[c][1,2,5]oxadiazol-4-yl)amino)propanoic acid" [P]. 中国发明专利, 专利号 CN 112141955 B, 授权公告日 2020-06-25.
发明人何建平,林芳,郭海燕. "A Process for Preparing High-Purity (S)-2-Amino-3-((7-nitrobenzo[c][1,2,5]oxadiazol-4-yl)amino)propanoic acid" [P]. 中国发明专利, 专利号 CN 112753624 B, 授权公告日 2017-03-15.
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