Drug checking group says most users won't take MDMA if it's revealed to be eutylone 11 Jan, 2021 07:53 PM 3 minutes to read A drug harm reduction service says most people would refuse to take drugs they had purchased if they weren't what they thought they were. The group Know Your Stuff said at festivals on New Year's Eve 75 per cent of attendees that brought their drugs to be checked said that they would not take them if they turned out to be eutylone in place of MDMA. Read More Advertisement Fifteen per cent said they would maybe take it, and 10 per cent said they would still take their substances despite finding out it was eutylone and not MDMA.