[
  {
    "molid": "mol31851",
    "smiles": "CCCCCCCC/C=C/CCCCCCCC(=O)OC[C@@H](CO[P@](=O)(O)OCCN)OC(=O)CCCCCCC/C=C/CCCCCCCC",
    "microspecies": [],
    "macro_pka_values": [
      {
        "pka_value": 7.55,
        "charge_state_pre": 0,
        "charge_state_post": -1,
        "data_source": "OCHEM"
      }
    ]
  }
]