EL-OSSAILY, Y. A. B.; ZAKI, R. M.; METWALLY, S. A. Investigation and Synthesis of Some Novel Spiro Heterocycles Related to Indoline Moiety. Journal of Scientific Research, [S. l.], v. 6, n. 2, p. 293–307, 2014. DOI: 10.3329/jsr.v6i2.17590. Disponível em: https://banglajol.info/index.php/JSR/article/view/17590. Acesso em: 3 jul. 2024.