AZT Binding to DNA and RNA: Molecular Modeling and Biological Significance
H.A. Tajmir-Riahi

Heteropoly Acids, Their Salts and Polyoxometalates as Heterogenous, Efficient and Eco-Friendly Catalysts in Organic Reactions: Some Recent Advances
H. Firouzabadi* and A.A. Jafari

Pyrazoles as Building Blocks in Heterocyclic Synthesis:  Synthesis of Pyrazolo [3,4-d]pyrimidine, Pyrazolo [3,4-e][1,4]diazepine, Pyrazolo [3,4-d][1,2,3]triazine and Pyrolo [4,3-e][1,2,4]triazolo[1,5-c]pyrimidine Derivatives
A.-F.A. Harb*, H.H. Abbas and F.H. Mostafa

Design, Synthesis, and Cytotoxicity of 4-Sulfonamide Substituted Benzamidobenzimidazolones and an Acyl Benzimidazolone
G.A. Khodarahmi^a,*, C.S. Chen^b, G.H. Hakimelahi^a,c,d, C.T. Tseng^d and J.W. Chern^b

Full Non-Rigid Group Theory and Symmetry of Melamine
A.R. Ashrafi¹,* and M. Hamadanian²

Organotin(IV) Complexes of 4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoic Acid: Synthesis, Spectral Characterization and Biological Applications
K. Shahid^a, S. Shahzadi^a, S. Ali^a,*, M.H. Bhatti^b and K.M. Khan^c

Syndiospecific Polymerization of Styrene Using a Heterogeneous Titanocene Catalyst
A. Entezami*, M. Agaalipour and P. Najafi Moghaddam

Zn(OAc)₂/Podand Catalyzed Ring Opening of Epoxides
By Aromatic Amines under Solvent-Free Conditions
H. Eshghi^a,b,* M. Rahimizadeh^a and A. Shoryabi^b

Spectrophotometric Determination of Vanadium Using Variamine Blue and its Application to Synthetic, Environmental and Biological Samples
T.N. Kiran Kumar and H.D. Revanasiddappa*

Synthesis, Spectral and Thermal Investigations of Some Mixed Ligand Complexes of Thorium(IV) Derived from Semicarbazones and Diphenyl Sulfoxide
R.K. Agarwal* and S. Prasad