4-[4,5-dihydro-4-[3-[5-hydroxy-3-methyl-1-(4-sulphophenyl)-1H-pyrazol-4-yl]allylidene]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonic acid, compound with triethylamine
4-[4,5-dihydro-4-[3-[5-hydroxy-3-methyl-1-(4-sulphophenyl)-1H-pyrazol-4-yl]allylidene]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonic acid, compound with triethylamine(4-[4,5-dihydro-4-[3-[5-hydroxy-3-methyl-1-(4-sulphophenyl)-1H-pyrazol-4-yl]allylidene]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonic acid, compound with triethylamine)