4-Hydroxy-6-[[3-[(2-hydroxy-3-nitro-5-sodiosulfophenyl)azo]-2,4-dihydroxyphenyl]azo]-3-[(4-nitrophenyl)azo]naphthalene-2-sulfonic acid sodium salt

CAS No: 6487-05-4

hydroxy,nitro,sodiosulfophenyl,dihydroxyphenyl,nitrophenyl,naphthalene,sulfonic,sodium