Ethyl p-toluenesulfonate
ethyl para-toluenesulfonate; 4-Toluenesulfonic Acid Ethyl Ester; Ethyl tosylate~p-Toluenesulphonic acid ethyl ester; Ethyl p-tosylate; Ethyl p-methylbenzenesulfonate; 4-Methylbenzenesulfonic acid ethyl ester; ethyl 4-methylbenzenesulfonate