@article{paperid:1047355, author = {Hazrathoseyni, Ayla and Seyedi, Seyed Mohammad and Shiri, Ali and Eshghi, Hossein}, title = {Synthesis of [1,2,4]triazolo[4′′,3′′:1′,6′]pyrimido[4′,5′:3,4]pyridazino[1,6-d ] [1,2,4]triazine; a novel tetracyclic system}, journal = {Journal of Chemical Research}, year = {2015}, volume = {39}, number = {3}, month = {March}, issn = {1747-5198}, pages = {148--153}, numpages = {5}, keywords = {triazolopyrimidines; pyrimidopyridazines; pyridazinotriazines; triazolopyrimidopyridazinotriazine}, }