XIE, Youhai; WANG, Yingling; WU, Liqiang. One-Pot Synthesis of 7-Alkyl-6H,7H-naphtho[1’,2’:5,6]pyrano[3,2-c]chromen-6-ones in Presence of Alum. Asian Journal of Chemistry, [S. l.], v. 23, n. 12, p. 5377–5380, 2011. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/11155. Acesso em: 25 nov. 2024.