发明人张德明,周伟,何建平. "Method for the Synthesis of 3-Mercapto-1-methyl-5,6,7,8-tetrahydroisoquinoline-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 117835865 A, 授权公告日 2020-11-02.
Kumar R, Fischer A B, Roberts E F. "A Process for Preparing High-Purity 3-Mercapto-1-methyl-5,6,7,8-tetrahydroisoquinoline-4-carbonitrile" [P]. US Patent, US 10823283 B2, 2022-06-17.
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