%0 Journal Article %T Synthesis of Pyrimido[4,5-e]tetrazolo[5,1-b] [1,3,4]thiadiazepine as a Novel Fused Heterocyclic System %A Eigehei, Mansooresadat %A Shiri, Ali %A Bakavoli, Mehdi %A Azizollahi, Hamid %J Polycyclic Aromatic Compounds %@ 1040-6638 %D 2018