(5-ethoxy-2-carbamoyl-phenylsulfanyl)-acetic acid, 2-{[2-(aminocarbonyl)-5-ethoxyphenyl]thio}acetic acid, EINECS 281-723-0, 4-Aethoxy-2-carboxymethylmercpato-benzamid, {[2-(aminocarbonyl)-5-ethoxyphenyl]thio}acetic acid, (5-Aethoxy-2-carbamoyl-phenylmercapto)-essigsaeure