2,3-Dihydro-1,4,5,8-tetrahydroxyanthracene-9,10-dione tetrasodium salt 68929-10-2 9,10-Anthracenedione, 2,3-dihydro-1,4,5,8-tetrahydroxy-, tetrasodium salt EINECS 273-040-1 Tetrasodium 2,3-dihydro-1,4,5,8-tetraoxidoanthraquinone