• 32418-03-4
    ethyl 5-ethoxy-2-phenyl-1,3-oxazole-4-carboxylate
  • 54644-14-3
    5-ethoxy-2-phenyl-1,3-oxazole-4-carbonyl chloride
  • 参考文献

    Cornforth Chem. Penicillin, , S. 688, 722

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