Phenolphthalein77-09-8100 % similar Fluorescein2321-07-564 % similar Phenolphthalein diphosphate2090-82-661 % similar O-Cresolphthalein596-27-061 % similar Tetrabromophenolphthalein76-62-060 % similar Phenolphthalein monophosphate bis(cyclohexylammonium) salt14815-59-957 % similar Naphtholphthalein596-01-057 % similar 1(3H)-Isobenzofuranone, 3,3-bis[4-(phosphonooxy)phenyl]-, sodium salt (1:4)68807-90-954 % similar P-Xylenolphthalein50984-88-852 % similar Solvent red 72596-03-250 % similar Dichlorofluorescein76-54-049 % similar Red 2115086-94-948 % similar 3′,6′-Dichlorospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one630-88-647 % similar Phenol red143-74-847 % similar Thymolphthalein125-20-246 % similar Crystal violet lactone1552-42-746 % similar O-Cresolphthalein complexone2411-89-444 % similar 5-Aminofluorescein3326-34-944 % similar 6-Amino-3′,6′-dihydroxyspiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one51649-83-344 % similar Sodium fluorescein518-47-844 % similar