KUMBHARE, R.M.; CHINCHKHEDE, P.W.; INGLE, V.N. Synthesis of Benzopyranopyrazoles. Asian Journal of Chemistry, [S. l.], v. 12, n. 2, p. 501–505, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/22986. Acesso em: 3 oct. 2024.