Abstract
Electron ionization mass spectra of N-(3'/4'-halophenyl)-2-azidobenzenesulphonamides (1a-e) and 2-(3'/4'-Halophenyl)-2,3-dihydro-1,2,3-benzothiadiazol-1,1-dioxides (2a-e) are described. The mass fragmentation patterns are designed with the help of LREIMS.