1. B.S. Holla, B. Veerendra, M.K. Shivananda, B. Poojary, Eur. J. Med. Chem. 759, 38 (2003)
2. J. Wu, X. Liu, X. Cheng, Y. Cao, D. Wang, Z. Li, Molecules 2003, 12 (2007)
3. S. Jubie, P. Sikdar, S. Antony, R. Kalirajan, B. Gowramma, S. Gomathy, K. Elango, Pak. J. Pharm. Sci. 109, 24 (2011)
4. N. Demirbas, U.A. Demirbas, Bioorg. Med. Chem. 3717, 10 (2002)
5. N.N. Gulerman, H.N. Dogan, S. Rollas, C. Johansson, C.C. Elik, Farmaco 953, 56 (2001)