title: Thiadiazole derivatives. Note IV - Synthesis of some 5-mercapto-1,3,4-thiadiazoles and 5-ethylthio-2-arylamino-1,3,4-thiadiazoles.
mesh_terms: D009682:Magnetic Resonance Spectroscopy; D012663:Semicarbazides / Q000138:chemical synthesis; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet; D013830:Thiadiazoles / Q000032:analysis / Q000138:chemical synthesis*
chemical_list: D012663:Semicarbazides; D013830:Thiadiazoles; C023979:5-mercapto-1,3,4-thiadiazole