IUPAC Name :dipotassium (E)-but-2-enedioate
InChI :InChI=1/C4H4O4.2K/c5-3(6)1-2-4(7)8;;/h1-2H,(H,5,6)(H,7,8);;/q;2*+1/p-2/b2-1+;;
Std.InChI: InChI=1S/C4H4O4.2K/c5-3(6)1-2-4(7)8;;/h1-2H,(H,5,6)(H,7,8);;/q;2*+1/p-2/b2-1+;;
InChIKey :SHPKCSFVQGSAJU-HYKNURKJBN
Std.InChIKey: SHPKCSFVQGSAJU-SEPHDYHBSA-L
SMILES :C(=C/C(=O)[O-])\C(=O)[O-].[K+].[K+]