In 5 with the six samples containing AB?FUBINACA M3 not less than one metabolite of 5F?AKB48 was also detected. This can be a result of concomitant ingestion of both AB?FUBINACA, AMB?FUBINACA or EMB?FUBINACA and 5F?AKB48 from two distinctive merchandise, nonetheless it may also be a result of intake of a product made up of each medication both boug