Maskar, P.; Chande, M.; Shaikh, M. Synthesis and Characterization of Co(II), Cu(II), Ni(II), Mn(II) and Pb(II) Complexes With 1,3-bis[(4-Amino-5-Mercapto)-1,2,4-Triazol-3-yl]benzene. ajc 2010, 20, 5237-5248.