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. Author manuscript; available in PMC: 2023 Sep 7.
Published in final edited form as: J Am Soc Mass Spectrom. 2022 Aug 25;33(9):1784–1793. doi: 10.1021/jasms.2c00166

Table 2:

Search results for Sample 59 using the low-fragmentation mass spectrum and all available is-CID mass spectra. Since the actual compound was not in the library these results were categorized as undesirable.

DIT Target # Target m/z Relative Intensity (%) Peak Identification FPIE Score (low) RevMF Score (low) FPIE Score (low, mid, high) ReMF Score(low, mid, high)

1 250.1442 100.0 3’,4’-Methylenedioxy-N,N-diethylcathinone 0.892 0.991 0.673 0.655
3’,4’-Methylenedioxy-N-tert-butylcathinone 0.752 0.959 0.649 0.563
3’,4’-Methylenedioxy-α-dimethylamino-Isovalerophenone 0.795 0.984 0.810 0.721
3,4-Methylenedioxy-α-methylaminohexanophenone 0.840 0.981 0.845 0.851
3,4-Methylenedioxy-α-methylaminoisohexanophenone 0.841 0.985 0.935 0.713
3’4’-methylenedioxy-α-ethylamino-Isovalerophenone 0.812 0.993 0.743 0.853
N,N-Dimethylpentylone 0.859 0.993 0.862 0.950

2 251.1464 27.8 Isotope Match of Target 1 -- -- -- --