RAAD.J.ALI. Preparation and Charactrization of 1,3- dipolar cycloaddition of nitrones with but-2-ynedioic acid. University of Thi-Qar Journal, [S. l.], v. 10, n. 4, p. 32–41, 2019. Disponível em: https://jutq.utq.edu.iq/index.php/main/article/view/47. Acesso em: 9 oct. 2025.