Casting light on synthetic, SC-XRD and quantum mechanical studies for 2,1-benzothiazine based bis-adducts - Ahmad, Shakeel; Ahmad, Matloob; Khalid, Muhammad; Shafiq, Muhammad; Arshad, Muhammad Nadeem; Sultan, Sadia; Asiri, Abdullah M; Braga, Ataualpa Albert Carmo; Alamry, Khalid A (Journal of Molecular Structure, 2023)