trisodium 2-[4-[2-[4-[[1-[[(2-methoxyphenyl)amino]carbonyl]-2-oxopropyl]azo]-2-sulphonatophenyl]vinyl]-3-sulphonatophenyl]-2H-naphtho[1,2-d]triazole-5-sulphonate;5'-[[1-[(2-Methoxyphenyl)amino]-1,3-dioxobutan-2-yl]azo]-5-[5-[(sodiooxy)sulfonyl]-2H-naphtho[1,2-d]triazol-2-yl][2,2'-(1,2-ethenediyl)bis(benzenesulfonic acid sodium)] salt
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