autores Maria Fernanda de Jesus Rego Paiva Proença Carvalho, M.A. Álvares, Yolanda Carvalho, M. Alice Zaki, M.E.A. Zaki, M. Álvares, Y. Fernanda Proenca Booth, B.L.
palavras-chave 6-enaminopurines 6-methoxyformimidoyl purines Ethoxymethylenecyanoacetate Ethoxymethylenemalononitrile Imidazoles Malononitrile