N-sulfonated-N-heterocycles synthesis, chemistry, and biological applications von Elgemeie, Galal H., Azzam, Rasha A. 1971-, Zaghary, Wafaa A., Aly, Ashraf A., Metwally, Nadia H., Sarhan, Mona O., Abdelhafez, Elshimaa M., Elsayed, Rasha E.