{
  "cas_id": ["118-00-3"],
  "chebi_id": ["16750"],
  "accession": ["KNA00776"],
  "ms.mode": ["neg"],
  "formula": ["C10H13N5O5"],
  "ms.level": [1],
  "chrom.rt.unit": ["s"],
  "msprecannot": [null],
  "smiles": ["C1=NC2=C(N1[C@H]3[C@@H]([C@@H]([C@H](O3)CO)O)O)N=C(NC2=O)N"],
  "monoisotopic.mass": [283.091669],
  "chrom.col.id": ["TOSOH TSKgel ODS-100V  5um Part no. 21456"],
  "chrom.rt": [329.85108],
  "inchi": ["InChI=1S/C10H13N5O5/c11-10-13-7-4(8(19)14-10)12-2-15(7)9-6(18)5(17)3(1-16)20-9/h2-3,5-6,9,16-18H,1H2,(H3,11,13,14,19)/t3-,5-,6-,9-/m1/s1"],
  "inchikey": [""],
  "chrom.col.name": ["TOSOH TSKgel ODS-100V  5um Part no. 21456"],
  "kegg_compound_id": ["C00387"],
  "mass_csv_file_id": ["KNA00776"],
  "mass_sqlite_id": ["KNA00776"],
  "msprecmz": [],
  "name": ["Guanosine"],
  "peak_attr": [],
  "peak_formula": [],
  "peak_intensity": [],
  "peak_mz": [282.083871, 150.041965, 133.015586],
  "peak_mzexp": [],
  "peak_mztheo": [282.083871, 150.041965, 133.015586],
  "peak_relative_intensity": [100, 56, 5]
}