1H-Indole-2-carboxylic acid, 5-methoxy- (9CI) 4382-54-1 5-Methoxy-2-indolecarboxylic acid 5-Methoxyindole-2-carboxylic acid Acide methoxy-5 indole carboxylique-2 [French] EINECS 224-487-6 INDOLE-2-CARBOXYLIC ACID, 5-METHOXY- NSC 30927