List of Articles IR spectra Open Access Article Abstract Page Full-Text 1 - Synthesis and spectral characterization of naphthyldihydrazones derived from some 1,3- dicarbonyl compounds and their Ni(II), Cu(II) and Zn(II) complexes Muhammed Ummathur Anjali Krishnan Perumpalli Ummer Open Access Article Abstract Page Full-Text 2 - Metal complexes of unsaturated polycarbonyl compounds derived from benzoyl acetone and aromatic aldehydes Muhammed Basheer Ummathur Anjali Krishnan Mathew Ukken