5-(diethylsulfamoyl)-2-methoxybenzenediazonium; 5-Diethylaminosulfonyl-2-methoxybenzenediazonium chloride hemi(zinc chloride) salt; FAST RED SALT ITR; FAST RED ITR SALT; Diazo Fast Red ITR; Fast Red LTR Salt; Fast Red Salt ITRN; Benzenediazonium, 5-[(diethylamino)sulfonyl]-2-methoxy