D. Narula, S. S. Bari, B. K. Banik, and A. Bhalla, “Synthesis of Novel 4-Halomethyl-1,3-oxaselenolane Substituted Spirocyclic Azetidin-2-ones from cis-3-Allyloxy-3-benzylselenoazetidin-2-ones”, ajc, vol. 29, no. 12, pp. 2582–2586, Oct. 2017.