List of Articles pyrimido[4 Open Access Article Abstract Page Full-Text 1 - Investigation into the regioisomeric composition of some fused tetrazoles Paria Nasehi Omid Baravaye Sanaz Hafezi Birgani Mohsen Nikpour Open Access Article Abstract Page Full-Text 2 - Microwave assisted synthesis of [4, 5-e] [1, 3, 4]thia- diazin-7-yl] hydrazine Derivatives Javad Azizian Ramin Miri Mohammad Kazem Mohammadi Open Access Article Abstract Page Full-Text 3 - Solvent Free Synthesis of tetra alkyl- phenyl-1H-pyrimido [4, 5-e][1,3,4]Thiadiazine-3,7-diamines mohammad kazem mohammadi Open Access Article Abstract Page Full-Text 4 - Preparation and characterization of a dual acidic Ionic Liquid functionalized Graphene Oxide nanosheets as a Heterogeneous Catalyst for the Synthesis of pyrimido[4,5-b] quinolines in water Mohanad Saleh Ghufran Sadeek Shakir Saied 10.30495/ijc.2023.1998276.2052 Open Access Article Abstract Page Full-Text 5 - Facile one-pot synthesis of pyrimido[4,5-d]pyrimidine-2,4-diones in Ionic Liquid and study of their antibacterial activities Ayoob Bazgir Seyyedeh Cobra Azimi