Skip to main content
. Author manuscript; available in PMC: 2024 Mar 21.
Published in final edited form as: J Am Soc Mass Spectrom. 2021 Nov 18;32(12):2852–2859. doi: 10.1021/jasms.1c00267

Table 1.

Product ions and neutral loss fragments used for semi-targeted analysis of fentanyl analogs along with the percent coverage of the library compounds represented.

Fragment #1 Fragment #2 Fragment #3 Fragment #4 Fragment #5 Fragment #6 # of Library Compounds Represented % of Library Compounds Represented
Neutral Loss 121.0891 135.0684 149.0841 163.0997 205.1467 308.1889 125 88.0%
Product Ion 105.0699 134.0964 146.0964 160.1121 128 90.1%
TOTAL 138 of 142 97.2%