2-[4-Chloro-6-[2-methoxy-4-(3-sulfophenylazo)anilino]-1,3,5-triazin-2-ylamino]-1,4-benzenedisulfonic acid trisodium salt

2-[4-Chloro-6-[2-methoxy-4-(m-sodiosulfophenylazo)anilino]-1,3,5-triazin-2-ylamino]-1,4-benzenedisulfonic acid disodium salt

trisodium 2-[[4-chloro-6-[[2-methoxy-4-[(3-sulphonatophenyl)azo]phenyl]amino]-1,3,5-triazin-2-yl]amino]benzene-1,4-disulphonate