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发明人何建平,刘建华,徐明华. "Method for the Synthesis of <SC>L</SC>-Threonine-<SUP>13</SUP>C<SUB>4</SUB>,<SUP>15</SUP>N" [P]. 中国发明专利, 专利号 CN 109594171 A, 授权公告日 2016-10-02.
发明人陈志强,林芳,朱建伟. "A Process for Preparing High-Purity <SC>L</SC>-Threonine-<SUP>13</SUP>C<SUB>4</SUB>,<SUP>15</SUP>N" [P]. 中国发明专利, 专利号 CN 113032341 B, 授权公告日 2016-12-02.
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