Wiktionary
methylenedioxybenzylpiperazine
n. (context organic compound English) A psychoactive piperazine drug related to benzylpiperazine.
Wikipedia
Methylenedioxybenzylpiperazine
1-(3,4-Methylenedioxybenzyl)piperazine (MDBZP, piperonylpiperazine) is a chemical compound of the piperazine chemical class related to benzylpiperazine (BZP). MDBZP has been sold as a designer drug and has even been found as an ingredient in street Ecstasy pills.