Cuprate(6-), [2-[2-[[2-[3-[[4-fluoro-6-[[2-[[4-fluoro-6-[[4-[2-(4,6,8-trisulfo-2-naphthalenyl)diazenyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]-1-methylethyl]amino]-1,3,5-triazin-2-yl]amino]-2-(hydroxy-κO)-5-sulfophenyl]diazenyl-κN2]phenylmethyl]diazenyl-κN1]-4-sulfobenzoato(8-)-κO]-, potassium sodium