Thymolphthalein125-20-2100 % similar P-Xylenolphthalein50984-88-874 % similar Sodium thymolphthalein monophosphate28749-63-571 % similar O-Cresolphthalein596-27-060 % similar Thymol blue76-61-958 % similar Naphtholphthalein596-01-053 % similar Dichlorofluorescein76-54-052 % similar Thymol blue sodium salt62625-21-249 % similar Solvent red 72596-03-247 % similar Fluorescein2321-07-547 % similar Phenolphthalein77-09-846 % similar Tetrabromophenolphthalein76-62-045 % similar Calcein1461-15-044 % similar Red 2115086-94-943 % similar O-Cresolphthalein complexone2411-89-443 % similar 3′,6′-Dichlorospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one630-88-642 % similar 3′,6′-Diacetylfluorescein596-09-841 % similar Solvent red 49509-34-240 % similar Sodium fluorescein518-47-840 % similar Xylenol blue125-31-540 % similar