Ferrate(2-), [4-[[2,4-dihydroxy-5-[[2- methyl-5-[(methylsulfonyl)amino]-4-[[4-(phenylamino )-3-sulfophenyl]azo]phenyl]azo]-3-(phenylazo)pheny l]azo]-3-hydroxy-7-nitro-1-naphthalenesulfonato (4-)]-, sodium hydrogen

Ferrate(2-), 3-(hydroxy-.kappa.O)-4-2-(hydroxy-.kappa.O)-4-hydroxy-5-2-methyl-5-(methylsulfonyl)amino-4-4-(phenylamino)-3-sulfophenylazophenylazo-3-(phenylazo)phenylazo-.kappa.N1-7-nitro-1-naphthalenesulfonato(4-)-, sodium hydrogen