Synonyms: 1-phenylene]methylene]]bis[n-(carboxymethyl)-ethylethyl)-tetrasodiumsalt;glycine,n,n’-[(3-oxo-1(3h)-isobenzofuranylidene)bis[[6-hydroxy-2-methyl-5-(1-m;THYMOLPHTHALEXON, INDICATOR FOR COMPLEXO METRY;THYMOLPHTHALEXONE SODIUM SALT INDICATOR FOR COMPLEXOMETRY;Glycine, N,N'-[(3-oxo-1(3H)-isobenzofuranylidene) bis[[6-hydroxy-2-methyl-5-(1-methylethyl )-3,1-phenylene]methylene]]bis[N-(carboxymethy l)-, tetrasodium salt;Thymolphthalein-2μ,2-bis(methyliminodiacetic acid sodium salt), 3μ,3-Bis[N,N-di(carboxymethyl)aminomethyl]thymolphthalein;N,N'-[(3-Oxoisobenzofuran-1(3H)-ylidene)bis[[6-hydroxy-2-methyl-5-(1-methylethyl)-3,1-phenylene]methylene]]bis[N-(carboxymethyl)glycine]tetrasodium salt