• 76431-32-8
    (2S,5R,6S)-6-Bromo-6-(1-hydroxy-ethyl)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid methyl ester
  • 106974-95-2
    methyl 2-((2R,3S)-3-((S)-1-((tert-butyldimethylsilyl)oxy)ethyl)-2-(methylthio)-4-oxoazetidin-1-yl)-3-methylbut-2-enoate

  • 参考文献

    Hirai, Koichi; Iwano, Yuji; Fujimoto, Katsumi Heterocycles, 1982, vol. 17, p. 201 - 207

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