Collect. Czech. Chem. Commun.
1957, 22, 1789-1792
https://doi.org/10.1135/cccc19571789
Metallochromic indicators. III. Preparation of 3,3'-bis-N,N-di(carboxymethyl)aminomethylthymolsulphonphthalein (methylthymol blue)
J. Körbl
This article is part of serial Metallochromic indicators.