1H-Indole-2-carboxylic acid, 7-nitro- 6960-45-8 7-Nitro-1H-indole-2-carboxylic acid 7-Nitroindole-2-carboxylic acid EINECS 230-154-6 Indole-2-carboxylic acid, 7-nitro- (8CI) NSC 69877