RITMALENI, R.; AGGARWAL, V. K. Ring Opening of Spiroepoxides Dithianedioxide with Bis-nucleophiles. Journal of Scientific Research, [S. l.], v. 3, n. 3, p. 575–586, 2011. DOI: 10.3329/jsr.v3i3.6746. Disponível em: https://banglajol.info/index.php/JSR/article/view/6746. Acesso em: 20 may. 2022.