(untitled) - Das, J; Rao, C V. L; Sastry, T V. R. S; Roshaiah, M; Sankar, P G; Khadeer, A; Kumar, M S; Mallik, A; Selvakumar, N; Iqbal, J; Trehan, S (Bioorg. Med. Chem. Lett., 2005)