A tris(pyrazol-1-yl)methane bearing carboxylic acid groups at position 4: {1-[bis(4-carboxy-3,5-dimethyl-1H-pyrazol-1-yl)methyl]-3,5-dimethyl-1H-pyrazole- 4-carboxylato}sodium dihydrate

1. Alkorta, I.
2. Elguero, J.
3. García, M.A.
4. López, C.
5. Claramunt, R.M.
6. Andrade, G.A.
7. Yap, G.P.A.