ROJAS, Juan J.; BULL, James A. 4-Membered Ring Carbocations: A Positive Development in the Synthesis of 3,3-Disubstituted Oxetanes and Azetidines. CHIMIA, [S. l.], v. 77, n. 4, p. 192–195, 2023. DOI: 10.2533/chimia.2023.192. Disponível em: https://www.chimia.ch/chimia/article/view/2023_192. Acesso em: 29 mar. 2024.