%0 Conference Proceedings %T Synthesis of New Derivatives of Novel Heterocyclic System of Pyrazolo[1,5-a]pteridine %A Sheikhi Mohammareh, Seddigheh %A Rahimizadeh, Mohammad %A Bakavoli, Mehdi %A Shiri, Ali %A Sabet-Sarvestani, Hossein %A Hasanpour Mansour, Maede %J 16th Iranian Chemistry Congress %D 2013