2,7-Naphthalenedisulfonic acid,6-[(4-amino-6-chloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphthalenyl]azo]-, tetrasodium salt
CAS No. 103232-44-6