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L-Aspartic acid-L-phenylalanine amide" [P]. 中国发明专利, 专利号 CN 115169514 A, 授权公告日 2021-07-28.
发明人郭海燕,唐晓军,张德明. "A Process for Preparing High-Purity (S)-3-amino-4-((S)-1-amino-1-oxo-3-phenylpropan-2-ylamino)-4-oxobutanoic acid
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L-Aspartic acid-L-phenylalanine amide" [P]. 中国发明专利, 专利号 CN 116764376 B, 授权公告日 2015-08-24.
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