发明人林芳,罗永刚,徐明华. "Method for the Synthesis of Spermidine-(<I>butyl</I>-<SUP>13</SUP>C<SUB>4</SUB>) trihydrochloride" [P]. 中国发明专利, 专利号 CN 112853223 B, 授权公告日 2024-02-27.
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