3-(Diethylamino)-7-oxo-7H-[1]benzopyrano[3′,2′:3,4]pyrido[1,2-A]benzimidazole-6-carbonitrile52372-36-8100 % similar Solvent red 19752372-39-178 % similar Coumarin 727425-55-444 % similar Coumarin 638215-36-043 % similar Nile red7385-67-338 % similar Perinone4424-06-038 % similar Macrolex yellow94945-27-437 % similar Coumarin 191-44-135 % similar Solvent red 1796829-22-731 % similar