Kamal, Ahmed; Hussaini, Syed Mohammed Ali; Faazil, Shaikh; Poornachandra; Narender Reddy; Kumar, C. Ganesh; Rajput, Vikrant Singh; Rani, Chitra; Sharma, Rashmi; Khan, Inshad Ali; Jagadeesh Babu Bioorganic and Medicinal Chemistry Letters, 2013 , vol. 23, # 24 p. 6842 - 6846