hexasodium;2,5-dichloro-4-[4-[[5-[[6-chloro-2-[4-[(E)-2-[4-[[6-chloro-4-[3-[[1-(2,5-dichloro-4-sulfonatophenyl)-3-methyl-5-oxo-4H-pyrazol-4-yl]diazenyl]-4-sulfonatophenyl]imino-1H-1,3,5-triazin-2-ylidene]amino]-2-sulfonatophenyl]ethenyl]-3-sulfonatophenyl]imino-1H-1,3,5-triazin-4-ylidene]amino]-2-sulfonatophenyl]diazenyl]-3-methyl-5-oxo-4H-pyrazol-1-yl]benzenesulfonate