1. College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1, Nojihigashi, Kusatsu Shiga, 525-8577, Japan
2. Department of Chemistry, Faculty of Science, South Valley University, Qena 83523, Egypt
3. Departamento de Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Gto, Mexico