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3-(2H-1,3-benzodioxol-5-ylmethylidene)-1H,2H,3H-cyclopenta[b]quinoline-9-carboxylic acid

3-(1,3-dioxaindan-5-ylmethylidene)-1H,2H,3H-cyclopenta[b]quinoline-9-carboxylic acid;3-(2H-1,3-benzodioxol-5-ylmethylidene)-1H,2H,3H-cyclopenta[b]quinoline-9-carboxylic acid;3-[(1,3-dioxaindan-5-yl)methylidene]-1H,2H,3H-cyclopenta[b]quinoline-9-carboxylic acid;3-[(1,3-dioxaindan-5-yl)methylidene]-1H,2H,3H-cyclopenta[b]quinoline-9-carboxylicacid