发明人朱建伟,陈志强,高志强. "Method for the Synthesis of N-(2,2-Dimethylpropylidene)-L-tryptophan Monosodium Salt" [P]. 中国发明专利, 专利号 CN 115521602 B, 授权公告日 2020-12-24.
发明人张德明,赵玉洁,陈志强. "A Process for Preparing High-Purity N-(2,2-Dimethylpropylidene)-L-tryptophan Monosodium Salt" [P]. 中国发明专利, 专利号 CN 117782521 B, 授权公告日 2020-08-23.
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