http://zkpckszxe37pnv3eyxxzmqgm3ftllmizzr3fdx7b6rxsbvt3rn2rzwid.onion?product=pure-mdma-95
The controversy focused on the meaning of the prefix, piperonyl, which has two separate chemical definitions. Let me try to explain this fascinating chaos in non-chemical terms. Piperonyl is a term that has been used for a two-ring system (the methylenedioxyphenyl group) either without, or with, an extra carbon atom sticking off of the side of it.