发明人王建平,林芳,胡光. "Method for the Synthesis of N-Acetylneuraminic Acid Methyl Ester 2,4,7,8,9-Pentaacetate-d3" [P]. 中国发明专利, 专利号 CN 116923226 A, 授权公告日 2021-01-03.
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