SMILES: OP(=O)(O)OP(=O)(O)[O-]
Description: The molecule is a monovalent inorganic anion obtained by deprotonation of one of the phosphate OH groups in diphosphoric acid. It is a diphosphate ion and a monovalent inorganic anion. It is a conjugate base of a diphosphoric acid. It is a conjugate acid of a diphosphate(2-).