List of Articles Benzothiazoloquinazolinone Open Access Article Abstract Page Full-Text 1 - An efficient green synthesis of some new 4H-pyrimido[2,1,b]benzimiazoles and 4H-pyrimido[2,1,b]benzothiazoles promoted by guanidinium chloride Razieh Talaei Abolfazl Olyaei