PHENOLPHTHALEIN COMPLEXON

Phenolphthalein complexon,80%

3',3''-BIS(N,N-BIS(CARBOXYMETHYL)AMINOMETHYL)PHENOLPHTHALEIN TETRASODIUM SALT

glycine,n,n’-[(3-oxo-1(3h)-isobenzofuranylidene)bis[(6-hydroxy-3,1-phenylene)m

N,N'-[(3-Oxoisobenzofuran-1(3H)-ylidene)bis[(6-hydroxy-3,1-phenylene)methylene]]bis[N-(carboxymethyl)glycine]tetrasodium salt