英文别名ethylenediamine mono-4-toluene sulfonate; 1,2-Ethanediamine Mono(4-Methylbenzenesulfonate); Ethylenediamine p-toluenesulfonate; Ethylene diamine mono-p-toluenesulfonic acid salt; ethane-1,2-diamine 4-methylbenzenesulfonate; Xylometazoline EP Impurity E; Clonidine Impurity 4 (Ethylenediamine p-toluenesulfonate) 
