%0 Journal Article %J Drug Testing and Analysis %D 2020 %T Report on a novel emerging class of highly potent benzimidazole NPS opioids: Chemical and in vitro functional characterization of isotonitazene %A Peter Blanckaert %E Annelies Cannaert %E Katleen Van Uytfanghe %E Fabian Hulpia %E Eric Deconinck %E Van Calenbergh, Serge %E Stove, Christophe %B Drug Testing and Analysis %V 12 %8 Jan-04-2020 %G eng %N 4 %R 10.1002/dta.2738