2-[[6-[[4-(ethylphenylamino)-6-fluoro-1,3,5-triazin-2-yl]amino]-1-hydroxy-3-sulpho-2-naphthyl]azo]naphthalene-1,5-disulphonic acid;2-[[6-[[4-(Ethylphenylamino)-6-fluoro-1,3,5-triazin-2-yl]amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-1,5-naphthalenedisulfonic acid
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