B. SHEJUL, Pravin; H. KADAM, Nitin; V. VYAVAHARE, Amol; B. KASAWAR, Gajanan; PANPALIYA, Prashant. Synthesis of Xanthine Derivatives by Ring Closure Reaction. Asian Journal of Chemistry, [S. l.], v. 20, n. 7, p. 5441–5446, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/12877. Acesso em: 29 nov. 2024.