Organic Organic Heteroaromatic Ligands Heteroaromatic Ligands 502 4,5,DIAZAFLUOREN,9,ONE 5,DIAZAFLUOREN,9,ONE DIAZAFLUOREN,9,ONE 9,ONE ONE C11H6N2O 182.18 50890,67,0 50890670 67,0 5089067,0 50890 67 0 NR 0.000 Not on the TSCA inventory, 32901 91.50 1 G 32902 340.60 5 G Melting point 210-214 C