4-[[4-[[4-[(6-Amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-7-sulfo-1-naphthalenyl]azo]-7-sulfo-1-naphthalenyl]azo]-1-naphthalenesulfonic acid tetrasodium salt
CAS No. 68310-70-3
4-[[4-[[4-[(6-Amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-7-sulfo-1-naphthalenyl]azo]-7-sulfo-1-naphthalenyl]azo]-1-naphthalenesulfonic acid tetrasodium salt