Evaluation of the Antioxidant Activity of <i>Cis</i>/<i>Trans</i>-<i>N</i>-Phenyl-1,4,4a,5,8,8a-Hexahydro-3,1-Benzoxazin-2-Imines oleh Guadalupe Firpo, María L. Ramírez, Martín S. Faillace, Maria dos R. Mendes de Brito, Ana P. S. Correia Lima e Silva, Jessica Pereira Costa, Marcela C. Rodríguez, Gustavo A. Argüello, Zsolt Szakonyi, Ferenc Fülöp, Walter J. Peláez