Gopalan, Balasubramanian; Ponpandian, Thanasekaran; Kachhadia, Virendra; Bharathimohan, Kuppusamy; Vignesh, Radhakrishnan; Sivasudar, Velaiah; Narayanan, Shridhar; Mandar, Bhonde; Praveen, Rajendran; Saranya, Nithyanandan; Rajagopal, Sriram; Rajagopal, Sridharan Bioorganic and Medicinal Chemistry Letters, 2013 , vol. 23, # 9 p. 2532 - 2537