Synthesis of 2-(p-R-Benzoylmethylene)-3-(p-R-phenyl)-1H-quinoxalines - Insuasty, Braulio; Fernández, Fernando; Quiroga, Jairo; Moreno, Rodolfo; Martínez, Roberto; Angeles, Enrique; Gaviño, Rubén; Santos, Regina Helena de Almeida (Journal of Heterocyclic Chemistry, 1998)