C.I. Reactive Red 33

trisodium 7-[[4-chloro-6-[(4-sulphonatophenyl)amino]-1,3,5-triazin-2-yl]methylamino]-4-hydroxy-3-[(4-methoxy-2-sulphonatophenyl)azo]naphthalene-2-sulphonate

7-[[4-Chloro-6-[(4-sulfophenyl)amino]-1,3,5-triazin-2-yl](methyl)amino]-4-hydroxy-3-[(4-methoxy-2-sulfophenyl)azo]-2-naphthalenesulfonic acid trisodium salt

4-Hydroxy-3-[2-(sodiooxysulfonyl)-4-methoxyphenylazo]-7-[[6-[[4-(sodiooxysulfonyl)phenyl]amino]-4-chloro-1,3,5-triazine-2-yl](methyl)amino]naphthalene-2-sulfonic acid sodium salt