Institution: | a Department of Chemistry, Tripura University, Suryamaninagar 799130, Agartala, India;b Department of Chemistry, MBB College 799004, Agartala, India;c Department of Chemistry, Iswarchandra Vidyasagar College, Belonia 799155, South Tripura, India;d School of Pharmaceutical Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108 8641, Japan |