Pingali, Harikishore; Jain, Mukul; Shah, Shailesh; Basu, Sujay; Makadia, Pankaj; Goswami, Amitgiri; Zaware, Pandurang; Patil, Pravin; Godha, Atul; Giri, Suresh; Goel, Ashish; Patel, Megha; Patel, Harilal; Patel, Pankaj Bioorganic and Medicinal Chemistry Letters, 2008 , vol. 18, # 20 p. 5586 - 5590