参考文献

Silva, Aires da Conceicao; Senra, Jaqueline Dias; Aguiar, Lucia C.S.; Simas, Alessandro B.C.; Souza, Andrea Luzia F. de; Malta, Luiz Fernando Brum; Antunes Tetrahedron Letters, 2010 , vol. 51, # 30 p. 3883 - 3885