Direct red 84 (C.I. 35760) 5,5'-[Ureylenebis[(4,1-phenylene)azo]]bis[8-[(4-sodiosulfophenyl)azo]naphthalene-2-sulfonic acid sodium] salt C.I.35760 tetrasodium 5,5'-[carbonylbis(imino-4,1-phenyleneazo)]bis[8-[(4-sulphonatophenyl)azo]naphthalene-2-sulphonate] 2-Naphthalenesulfonic acid, 5,5'-[carbonyl bis(imino-4,1-phenyleneazo)]bis[8-[(4-sulfophenyl)azo]-, tetrasodium salt 2-naphthalenesulfonic acid, 5,5'-[carbonylbis(imino-4,1-phenyleneazo)]bis[8-[(4 2-Naphthalenesulfonic acid,5,5'-[carbonyl bis(imino-4,1-phenyleneazo)]bis[8-[(4-sulfophenyl)azo]-,tetrasodium salt C.I. Direct red 84