1H-Indole-2-carboxylic acid, 5-methoxy-, ethyl ester (9CI) 4792-58-9 5-22-05-00181 (Beilstein Handbook Reference) BRN 0178104 Ethyl 5-methoxy-2-indolecarboxylate INDOLE-2-CARBOXYLIC ACID, 5-METHOXY-, ETHYL ESTER Methoxy-5 indole carboxylate d'ethyle-2 [French] NSC 30929