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Total ion chromatogram of control cardiolipin (CL) (A), mass spectrometry (MS) spectrum (B), and tandem mass spectrometry (MS/MS) spectrum (C) of the chromatographic peak at 30 min. The major species in the peak at 30 min has an m/z of 1447, consistent with tetralinoleoyl CL. The MS/MS spectrum shows the characteristic fragment ions m/z 831, 751, 695, 433, 415, and 279. Proposed fragmentation of tetralinoleoyl CL is shown in the inset of C.
