List of Articles Salicylaldehyde Open Access Article Abstract Page Full-Text 1 - Solvatochromic and Photochromic behavior of 1',3',3'-trimethyl-8-nitrospiro[chromene-2,2'-indoline] Zeinalabedin Sepehr Hossein Nasr-Isfahani Ali Reza Mahdavian Open Access Article Abstract Page Full-Text 2 - Ultrasonic-assisted Synthesis of New Generation of Coumarins Lia Karimian Open Access Article Abstract Page Full-Text 3 - PbWO4 nanoparticles: A robust and reusable heterogeneous catalyst for the synthesis of benzopyranopyridines under ultrasonic irradiation Hossein Shahbazi-Alavi Javad Safaei-Ghomi Ruhollah Talebi Open Access Article Abstract Page Full-Text 4 - Modification of silica with 2,4-dinitrophenylhydrazanomethylphenol for monosaccharide productions Kasim Mohammed Hello Hayder Mihsen Mosa