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Identification of PC (P-36:1) (P-18:0/18:1) by LC-targeted multiplexed SRM/MS. The structure of PC (P-36:1) and the fragmentation pattern in the positive (A) and negative (B) modes. Identification of the PC (P-36:1) peak by matching the RT of five SRM transitions from the commercial standard (C) and brain samples (D). Note, R1: C16H33 (m/z 225.2582); R2: C17H33 (m/z 237.2582). Here, the mentioned intensity of the 772.6 > 184.0 transition was 1/20th of the original intensity.
