trisodium 2-[[6-[[4-(ethylphenylamino)-6-fluoro-1,3,5-triazin-2-yl]amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]naphthalene-1,5-disulphonate

1,5-Naphthalenedisulfonic acid, 2-6-4-(ethylphenylamino)-6-fluoro-1,3,5-triazin-2-ylamino-1-hydroxy-3-sulfo-2-naphthalenylazo-, trisodium salt

2-[[6-[[4-(Ethylphenylamino)-6-fluoro-1,3,5-triazin-2-yl]amino]-1-hydroxy-3-sodiooxysulfonyl-2-naphtyl]azo]-1,5-naphthalenedisulfonic acid disodium salt