英文别名3-hydroxy-1H-indole-2-carboxylic acid ethyl ester; 3-hydroxy-indole-2-carboxylic acid ethyl ester; ethyl 3-hydroxyindole-2-carboxylate; 2-Carbethoxy-3-hydroxyindol; Indoxylic acid ethyl ester; 2-[ethoxy(hydroxy)methylidene]-2,3-dihydro-1H-indol-3-one; 1H-Indole-2-carboxylic acid, 3-hydroxy-, ethyl ester