(Formyl-5 hydroxy-2 methoxy-3 phenyl)-2 hydroxy-2 dioxo-1,3 indane [French] 4-Hydroxy-3-(2,3-dihydro-2-hydroxy-1,3-dioxo-1H-inden-2-yl)-5-methoxybenzaldehyde 71917-38-9 Benzaldehyde, 4-hydroxy-3-(2,3-dihydro-2-hydroxy-1,3-dioxo-1H-inden-2-yl)-5-methoxy-