Showing 201 - 220 results of 289 for search 'AC Omonia~', query time: 2.02s Refine Results
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    Synthesis and Characterization of 9-Phenyl-9H-purin-6-amines from 5-Amino-1-phenyl-1H-imidazole-4-carbonitriles by Asieh Yahyazadeh, Fatemah Habibi

    Published 2007-01-01
    “…9-Phenyl-9H-purin-6-amine derivatives have been synthesized in high yields by reaction between 5-amino-1-phenyl-1H-imidazole-4-carbonitrile with HC(OEt)3 and Ac2O followed by reaction with ammonia.…”
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    Como o Surpreendente Arquimedes Determinou o Volume e a Área da Esfera by Paulo Antonio Esquef

    Published 2003-06-01
    “… Época provável: 212 a.C. durante a Segunda Guerra Púnica entre Roma e Cartago. …”
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