Kunkuma V, Bethala LAPD, Bhongiri Y, Rachapudi BNP, Potharaju SSP. An efficient synthesis of quinoxalines catalyzed by monoammonium salt of 12-tungstophosphoric acid. Eur. J. Chem. [Internet]. 2011 Dec. 31 [cited 2024 May 3];2(4):495-8. Available from: https://www.eurjchem.com/index.php/eurjchem/article/view/413