Issazadeh, Z. et al. 2018. A Facile Four-component Synthesis of Pyrazolophthalazines Using Tetrabutylammonium Bromide as Efficient Ionic Liquid Catalyst. International Pharmacy Acta. 1, 1 (Mar. 2018), 65–65. DOI:https://doi.org/10.22037/ipa.v1i1.20070.