3373-59-9
L-苏氨酸甲酯
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686744-70-7
(2z)3-碘-2n-乙酰基巴豆酸甲酯
2458-78-8
methyl (2S,3R)-2-acetamido-3-hydroxybutanoate
89141-15-1
methyl 2-acetamido-3-phenylbut-2-enoate