%0 Conference Proceedings %T Synthesis of New Derivatives of Pyrimido[4,5-e][1,2,4]triazolo[4,3b][1,2,4]triazine %A Lotfi, Maryam %A Rahimizadeh, Mohammad %A Eshghi, Hossein %A Shiri, Ali %J 16th Iranian Chemistry Congress %D 2013