tetrasodium 1,1'-[[5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4-diyl]diimino]bis[3-phenylpropane-1,3-disulphonate]

1,1'-[[5-[(3,4,5-Trimethoxyphenyl)methyl]pyrimidine-2,4-diyl]diimino]bis[3-phenyl-1,3-propanedisulfonic acid disodium] salt