The molecule is a cardiolipin 72:4(2-) that is the dianion formed from tetraoleoyl cardiolipin by loss of an electron from each of the phospho groups; major species at pH 7.3. It is a conjugate base of a tetraoleyl cardiolipin.
[3-[[(2R)-2,3-bis[[(Z)-octadec-9-enoyl]oxy]propoxy]-oxidophosphoryl]oxy-2-hydroxypropyl] [(2R)-2,3-bis[[(Z)-octadec-9-enoyl]oxy]propyl] phosphate