potassium acid pyrophosphate

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IUPAC Name :dipotassium [hydroxy(oxido)phosphoryl] hydrogen phosphate
InChI :InChI=1/2K.H4O7P2/c;;1-8(2,3)7-9(4,5)6/h;;(H2,1,2,3)(H2,4,5,6)/q2*+1;/p-2
Std.InChI: InChI=1S/2K.H4O7P2/c;;1-8(2,3)7-9(4,5)6/h;;(H2,1,2,3)(H2,4,5,6)/q2*+1;/p-2
InChIKey :CQAIPTBBCVQRMD-NUQVWONBAG
Std.InChIKey: CQAIPTBBCVQRMD-UHFFFAOYSA-L
SMILES :OP(=O)([O-])OP(=O)(O)[O-].[K+].[K+]