%0 Conference Proceedings %T Selenopheno[2,3-e][1,2,4]triazolo[4,3-c]pyrimidine: A novel tricyclic selenium containing heterocyclic system %A Kohandel, Omid %A Shiri, Ali %A Sheikhi-Mohammareh, Seddigheh %J 20th Iranian Chemistry Congress %D 2018