发明人黄志刚,沈红梅,胡光. "一种<SC>DL</SC>-丙氨酸-1-<SUP>13</SUP>C的合成方法" [P]. 中国发明专利, 专利号 CN 117428921 A, 授权公告日 2023-03-25.
发明人孙丽萍,郑宇鹏,高志强. "Method for the Synthesis of <SC>DL</SC>-Alanine-1-<SUP>13</SUP>C" [P]. 中国发明专利, 专利号 CN 111713615 A, 授权公告日 2020-04-14.
发明人林芳,周伟,王建平. "A Process for Preparing High-Purity <SC>DL</SC>-Alanine-1-<SUP>13</SUP>C" [P]. 中国发明专利, 专利号 CN 110765737 A, 授权公告日 2018-12-03.
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