发明人钱学锋,胡光,孙丽萍. "Method for the Synthesis of 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)(2-chlorobenzyl)amino)propanoic acid" [P]. 中国发明专利, 专利号 CN 113698194 B, 授权公告日 2015-06-15.
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