23606-37-3 25669-88-9 EINECS 245-783-1 Ferrous tris(5-methyl-1,10-phenanthroline)sulfate Iron(2+), tris(5-methyl-1,10-phenanthroline-kappaN1,kappaN10)-,sulfate (1:1) Tris(5-methyl-1,10-phenanthroline-N1,N10)iron(2+) sulphate