Sodium thymolphthalein monophosphate28749-63-5100 % similar Thymolphthalein125-20-271 % similar P-Xylenolphthalein50984-88-854 % similar Thymol blue sodium salt62625-21-246 % similar O-Cresolphthalein596-27-044 % similar Thymol blue76-61-944 % similar Naphtholphthalein596-01-041 % similar Dichlorofluorescein76-54-041 % similar 1(3H)-Isobenzofuranone, 3,3-bis[4-(phosphonooxy)phenyl]-, sodium salt (1:4)68807-90-941 % similar Sodium fluorescein518-47-840 % similar Solvent red 72596-03-238 % similar Fluorescein2321-07-538 % similar Eosin Y17372-87-137 % similar Erythrosine16423-68-037 % similar Phenolphthalein diphosphate2090-82-636 % similar Acid red 9533239-19-936 % similar Calcein1461-15-036 % similar Red 2115086-94-935 % similar 6′-(Diethylamino)-3′-methyl-2′-(phenylamino)spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one29512-49-034 % similar Phenolphthalein77-09-834 % similar