%0 Journal Article %T Pyrimido[5,4-e]tetrazolo[5,1-b][1,3,4]thiadiazines as a new heterocyclic system %A Eshghi, Hossein %A Rahimizadeh, Mohammad %A Saberi, Satar %A Khalil Abnous %A Bakavoli, Mehdi %J Journal of Chemical Research %@ 1747-5198 %D 2013