((Carboxy-4 benzoyl) methyl)-2 hydroxy-2 dioxo-1,3 indane [French] 4-((2-Hydroxy-1,3-dioxo-2,3-dihydro-1H-inden-2-yl)acetyl)benzoic acid 70780-35-7 Benzoic acid, 4-((2-hydroxy-1,3-dioxo-2,3-dihydro-1H-inden-2-yl)acetyl)-