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. 2021 May 5;66(4):1186–1200. doi: 10.1111/1556-4029.14712

TABLE 3.

Appearance of specific FRS in Miami‐Dade Medical Examiner decedents by year (courtesy of Liz Zaney)

2015 2016 2017 2018 2019 2020 2021*
B‐Hydroxythiofentanyl 8 1
Acetylfentanyl 5 12 7 29 87 33 1
Valerylfentanyl 17 1
Carfentanil 135 70 5 1 2
Para‐fluoroisobutyrylfentanyl 27 28 3 4
Furanylfentanyl 41 24 3 1
Cyclopropyfentanyl 89 47 2
Methoxyacetyl fentanyl 30 34 26 4
Other FRS 1 3 1 17 6 1
*

For deaths through January 11, 2021.