Black Octagon MK 2
Bluelighter
Article from 2003 on 4 deaths in Finland attributed to this combo: http://www.erowid.org/references/texts/show/6045docid5675
Another one from 2010/2011 on another 4 deaths in Australia: http://www.sciencedirect.com/science/article/pii/S0379073811001757
Bluelight thread on the combo from 2002: http://www.bluelight.ru/vb/threads/...nd-MDMA-aka-quot-Perma-roll-quot?referrerid=0
(All shared purely for information and without comment; since I'm not a scientist)
Another one from 2010/2011 on another 4 deaths in Australia: http://www.sciencedirect.com/science/article/pii/S0379073811001757
Bluelight thread on the combo from 2002: http://www.bluelight.ru/vb/threads/...nd-MDMA-aka-quot-Perma-roll-quot?referrerid=0
(All shared purely for information and without comment; since I'm not a scientist)