2-Naphthalenesulfonic acid, 6-amino-5-[2-[4-[(2-bromo-1-oxo-2-propen-1-yl)amino]-2-[(4-methyl-3-sulfophenyl)sulfonyl]phenyl]diazenyl]-, sodium salt (1:2)HCID 160088CAS 85187-33-3 · C26H19BrN4Na2O9S3
