2-[3-[3-[1,5-dihydro-3-methyl-5-oxo-1-(4-sulphophenyl)-4H-pyrazol-4-ylidene]-5,5-dimethylcyclohex-1-en-1-yl]prop-2-enylidene]-2H-benzoxazole-3-propylsulphonic acid

2-[3-[3-[[1,5-Dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-4H-pyrazol]-4-ylidene]-5,5-dimethyl-1-cyclohexen-1-yl]-2-propenylidene]-3(2H)-benzoxazolepropane-1-sulfonic acid