SMILES: [NH4+].[NH4+].O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Fe+2]
Description: The molecule is a hydrate that is the heptahydrate form of ferrous ammonium sulfate. It contains a ferrous ammonium sulfate (anhydrous).