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        "molfile": "\n  Marvin  01132106042D          \n\n 21 16  0  0  0  0            999 V2000\n    1.7776   -0.2058    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.0628    0.2059    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.3432   -0.2059    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.3717    0.2058    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.4973    0.2059    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n   -2.4973    0.1252    0.0000 Zr  0  0  0  0  0  0  0  0  0  0  0  0\n    1.7776   -0.2058    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.0628    0.2059    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.3432   -0.2059    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.3717    0.2058    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.4973    0.2059    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    1.7776   -0.2058    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.0628    0.2059    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.3432   -0.2059    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.3717    0.2058    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.4973    0.2059    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n    1.7776   -0.2058    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.0628    0.2059    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.3432   -0.2059    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.3717    0.2058    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    2.4973    0.2059    0.0000 O   0  5  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  2  3  1  0  0  0  0\n  3  4  1  0  0  0  0\n  1  5  1  0  0  0  0\n 17 18  1  0  0  0  0\n 17 21  1  0  0  0  0\n 18 19  1  0  0  0  0\n 19 20  1  0  0  0  0\n 12 13  1  0  0  0  0\n 12 16  1  0  0  0  0\n 13 14  1  0  0  0  0\n 14 15  1  0  0  0  0\n  7  8  1  0  0  0  0\n  7 11  1  0  0  0  0\n  8  9  1  0  0  0  0\n  9 10  1  0  0  0  0\nM  CHG  5   5  -1   6   4  11  -1  16  -1  21  -1\nM  STY  1   1 MUL\nM  SCN  1   1 HT \nM  SAL   1 15   1   2   3   4   5   7   8   9  10  11  12  13  14  15  16\nM  SAL   1  5  17  18  19  20  21\nM  SPA   1  5   1   2   3   4   5\nM  SDI   1  4   -0.7917   -0.6259   -0.7917    0.6259\nM  SDI   1  4    2.9173    0.6259    2.9173   -0.6259\nM  SMT   1 4\nM  END",
        "smiles": "CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-].[Zr+4]",
        "formula": "4C4H9O.Zr",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "383.6789",
        "optical_activity": "NONE",
        "references": [
          "06f6f594-e783-43a8-9a1d-0e3a4edf6fb2",
          "65e443de-dde1-43cd-9796-3e306520f438"
        ],
        "stereo_centers": 0
      },
      "unii": "4Y12FB798J"
    }
  ]
}