1. Synthesis of novel quaternary ammonium salts from 1, 2-benzothiazine derivatives. (2nd January 2021) Authors: Gul, Salman; Saleem, Maria; Munawar, Munawar Ali; Ahmad, Hafiz Adnan; Ahmed, Ejaz; Begum, Robina; Farooqi, Zahoor H. Journal: Journal of sulfur chemistry Issue: Volume 42:Number 1(2021) Page Start: 15 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗