• 140847-77-4
    3-(Ethoxycarbonyl-hydrazono)-2-(triphenyl-λ5-phosphanylidene)-butyric acid ethyl ester
  • 140848-01-7
    4-triphenylphosphoranylidene-4,5-dihydropyrazol-5-one
  • 140847-97-8
    3-Methyl-5-oxo-4-(triphenyl-λ5-phosphanylidene)-4,5-dihydro-pyrazole-1-carboxylic acid ethyl ester
  • 90566-16-8
    ethyl 5-ethoxy-3-methylpyrazole-1-carboxylate

  • 参考文献

    Attanasi, Orazio A.; Filippone, Paolino; Mei, Amedeo Tetrahedron, 1992 , vol. 48, # 9 p. 1707 - 1714

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