O-Cresolphthalein complexone2411-89-4100 % similar Xylenol orange1611-35-467 % similar Calcein1461-15-060 % similar O-Cresolphthalein596-27-053 % similar Xylenol orange tetrasodium salt3618-43-750 % similar Tetrabromophenolphthalein76-62-050 % similar Alizarin complexone3952-78-147 % similar P-Xylenolphthalein50984-88-847 % similar Phenolphthalein77-09-844 % similar Thymolphthalein125-20-243 % similar Red 2115086-94-940 % similar Fluorescein2321-07-538 % similar Naphtholphthalein596-01-038 % similar Phenolphthalein diphosphate2090-82-637 % similar Solvent red 49509-34-237 % similar Dichlorofluorescein76-54-036 % similar N-(Carboxymethyl)-N-(phenylmethyl)glycine3987-53-936 % similar Calcein blue54375-47-236 % similar Crystal violet lactone1552-42-735 % similar 6′-(Diethylamino)-3′-methyl-2′-(phenylamino)spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one29512-49-035 % similar