Kidwai M, Kumar Mishra N, Bhatnagar D, Jahan A. Niobium Pentachloride as a Highly Efficient Catalyst for the Synthesis of Quinoxaline Derivatives. ajc [Internet]. 2011 Sep. 8 [cited 2024 Nov. 25];23(11):5051-4. Available from: https://asianpubs.org/index.php/ajchem/article/view/11034