tetrasodium naphthalene-1,3,5,7-tetrasulfonate, EINECS 247-258-2, Tetrasodium 1,3,5,7-naphthalenetetrasulfonate, 1,3,5,7-Naphthalenetetrasulfonicacid,sodium salt (1:4), Tetrasodium naphthalene-1,3,5,7-tetrasulphonate, sodium 1,3,5,7-naphthalenetetrasulphonate, 1,3,5,7-Naphthalenetetrasulfonicacid,tetrasodium salt (8CI,9CI)