发明人郭海燕,张德明,孙丽萍. "一种H-丙氨酸-脯氨酸-NH2盐酸盐的合成方法" [P]. 中国发明专利, 专利号 CN 117243031 A, 授权公告日 2025-09-01.
Lee S K, Anderson J P, Fischer A B. "Method for the Synthesis of H-Ala-Pro-NH2 · HCl" [P]. US Patent, US 11584573 B2, 2019-02-07.
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