%0 Journal Article %T Synthesis of Two New Heterocyclic Systems: Furo[3-,2-:5,6]pyrimido[2,1-c][1,2,4]triazines and Furo[3,2-e][1,2,3,4]tetrazolo[1,5-a]pyrimidine %A Rahimizadeh, Mohammad %A Bakavoli, Mehdi %A , %A Seyedi, Seyed Mohammad %J Journal of the Iranian Chemical Society %@ 1735-207X %D 2011