@article{paperid:1050197, author = {Noorolahian, Negin and Shiri, Ali}, title = {Synthesis of Some Derivatives of Pyrimido[5,4-e]Tetrazolo[5,1-c][1,2,4]triazine; a Novel Heterocyclic System}, journal = {Journal of Chemical Research}, year = {2015}, volume = {39}, number = {10}, month = {October}, issn = {1747-5198}, pages = {609--611}, numpages = {2}, keywords = {pyrimido[5;4-e]tetrazolo[5;1-c][1;2;4]triazine; heterocyclisation; 5-hydrazinyl-1H-tetrazole}, }