%0 Journal Article %T Synthesis and Theoretical Study of Intramolecular Hydrogen Bond at Two Possible Positions in Pyrazolo[1,2‐b]phthalazine %A M. Yoosefian %A H. Raiss %A E. Davamdar %A Esmaeili, Abbas Ali %A M. Azaroon %J Chinese Journal of Chemistry %@ 1001-604X %D 2012