Reactive red 227 (C.I. 18215)

5-[4-Chloro-6-[4-(2-sodiosulfooxyethylsulfonyl)anilino]-1,3,5-triazin-2-ylamino]-4-hydroxy-3-(2-sodiosulfophenylazo)-2,7-naphthalenedisulfonic acid disodium salt

5-[[4-Chloro-6-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-1,3,5-triazine-2-yl]amino]-4-hydroxy-3-[(2-sulfophenyl)azo]naphthalene-2,7-disulfonic acid tetrasodium salt

2, 7-Naphthalenedisulfonic acid, 5-[[4-chloro-6-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-1, 3, 5-triazin-2-yl]amino]-4-hydroxy-3-[(2-sulfophenyl)azo], tetrasodium salt