title: Fixed drug reaction provoked by small differences in chemical structure.
mesh_terms: D000328:Adult; D002626:Chemistry, Pharmaceutical; D004342:Drug Hypersensitivity / Q000175:diagnosis*; D006801:Humans; D008297:Male; D013329:Structure-Activity Relationship; D013449:Sulfonamides / Q000009:adverse effects*
chemical_list: D013449:Sulfonamides