参考文献

Okoronkwo, Afamefuna Elvis; Godoi, Benhur; Schumacher, Ricardo Frederico; Neto, Jose Sebastiao Santos; Luchese, Cristiane; Prigol, Marina; Nogueira, Cristina Wayne; Zeni, Gilson Tetrahedron Letters, 2009 , vol. 50, # 8 p. 909 - 915