Synthesis, characterization and biological studies of S-4-methylbenzyl-β-N-(2-furylmethylene)dithiocarbazate (S4MFuH) its Zn2+, Cu2+, Cd2+ and Ni2+ complexes by Yusof, E.N.M., Ravoof, T.B.S.A., Jamsari, J., Tiekink, E.R.T., Veerakumarasivam, A., Crouse, K.A., Tahir, M.I.M., Ahmad, Haslina