NamePyridinium,1-(2,3-dihydro-1,3-dioxo-1H-inden-2-yl)-3-methyl-, inner salt CAS59804-82-9 Synonyms1-(3-Hydroxy-1-oxoinden-2-yl)-3-picoliniumhydroxide, inner salt (6CI); Pyridinium, 3-methyl-,1,3-dihydro-1,3-dioxo-2H-inden-2-ylide (9CI) Molecular FormulaC15H11 N O2