发明人郑宇鹏,孙丽萍,张德明. "Method for the Synthesis of <SC>L</SC>-Aspartate-1,2-<SUP>13</SUP>C<SUB>2</SUB>" [P]. 中国发明专利, 专利号 CN 110038749 A, 授权公告日 2015-08-18.
发明人罗永刚,刘建华,郑宇鹏. "A Process for Preparing High-Purity <SC>L</SC>-Aspartate-1,2-<SUP>13</SUP>C<SUB>2</SUB>" [P]. 中国发明专利, 专利号 CN 109643820 B, 授权公告日 2024-01-11.
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